The reserve medics reported a high occurrence of despair, anxiety, and strain in addition to clinically involved signs and symptoms. are risk factors of PTSD comprehensive screening and intervention applications have to be in the vicinity to assist reserve medics to cope with mental health challenges and construct resilience for the duration of the COVID-19 pandemic.
The rapid increase in cases led to the pandemic's first-rate strain on the municipal medical care gadget in Wuhan and different cities of Hubei Province, resulting in an intense shortage of medical. In reaction, the principal government mobilized different provinces, municipalities, and areas, to ship reserve medics to the maximum affected towns in Hubei, particularly the embattled Wuhan metropolis.
The reserve medics reported a high occurrence of depression, tension, and strain in addition to clinically involved signs and symptoms. complete screening and intervention programs should be in the region to assist reserve medics to address intellectual fitness challenges and construct resilience at some stage in the pandemic.
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question 5(multiple choice worth 4 points) (04.02 mc) which description properly describes the plant structures involved in photosynthesis? stomata take in water, sunlight, and carbon dioxide and release oxygen. phloem transports water, stomata take in carbon dioxide, and chlorophyll absorbs sunlight. phloem transports glucose to the plant, and stomata release oxygen. xylem takes in water, sunlight, and carbon dioxide and releases oxygen.
The right response is that "stomata absorb carbon dioxide, chlorophyll absorbs sunlight, and xylem transfers water."
How does photosynthesis work? Describe the make-up of plants.Plants manufacture oxygen and sugar-based energy through a process known as photosynthesis, which uses sunlight, water, and carbon dioxide. Water (H₂O) and carbon dioxide (CO₂) are ingested by plants during photosynthesis from the soil and atmosphere. In contrast to the carbon dioxide, which is reduced within the plant cell and obtains electrons, water is oxidized within the cell of the plant. Water is converted into oxygen and carbon dioxide into glucose as a result. Once the oxygen has been returned to the atmosphere, the plant stores energy inside the molecules of glucose.
The xylem and phloem are two vascular components in plants that transport water and nutrients, respectively. The plant's gas exchange is carried out by the stomata (plural: stoma) (which take in carbon dioxide and release oxygen). The green color of the leaves is primarily due to chlorophyll, which is an organelle found in plant cells that is involved in photosynthesis.
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which two lables should be swiched
Answer:
c; asthenosphere and crust
Explanation:
the crust is under the asthenosphere and much thinner than the asthenosphere
other than that everything else is correct
Read the crime scene summary and answer the following questions. Two women were found stabbed to death in an apartment in New Jersey. The front door was found open. A porcelain vase, a lamp, and some glasses were found broken inside the apartment. A bloody handprint next to the burglar alarm’s panic button was found. The cupboard safe of the bedroom was open. Cash and valuable jewelry items were found missing. What types of crime may have taken place? What physical evidence do you expect to find in the crime scene?
The types of crime which may have taken place is referred to as robbery, burglary and murder and the physical evidence which one would expect to find in the crime scene is fingerprint and cell strands.
What is Crime?This is referred to as an action which is illegal and the offence is usually punishable by the law of the given area.
Burglary is referred to as the breaking into or gaining access to a building without permission while robbery on the other is similar which involves dispossessing people of their valuables without having to break into a building. Since people were killed then murder is also part pf the crime committed by the assailants.
Since items were stolen then there is a high chance that fingerprint due to the handprint next to the burglar alarm’s panic button and also there is a chance of getting cell fragments such as blood or hair strands which therefore makes them the most appropriate choice.
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is part of the keratin found in your hair and skin. it also helps with the formation of collagen (the most abundant protein in the human body), maintains the body's acid-base balance, and assists in cellular respiration (the process in which cells produce the energy they need to survive).
Sulfur is part of the keratin found in your hair and skin. it also helps with the formation of collagen.
Keratin and collagen belong to the class of fibrous proteins and are essential proteins for the development and growth of strong healthy hair.
Keratin exists in the body as alpha and beta cells and is composed of keratinocyte cells.
Collagen is present in connective tissues and is an extremely vital component that maintains the structure of tresses.
It also contributes to the production of keratin to maintain and promote the health of hair follicles.
Moreover, these two components are also found in the nails, skin, claws, hoofs, and hair.
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Question 9 of 10
The gas that makes up the majority of our atmosphere is
Answer here
Answer: The gas that makes up the most of our atmosphere is Nitrogen.
Explanation: Nitrogen :)
how would you determine the streak of a mineral
Answer:
By scraping a mineral across a "streak plate." This can produce a small amount of powdered mineral on the surface of the plate. The color of the powder of that mineral known as its "streak."
Explanation:
comparison of transfection agents in forming complexes with ferumoxides, cell labeling efficiency, and cellular viability
To identify, map, and evaluate the underlying biochemical processes of cell signaling, it is essential to visualize cells and cellular structures as well as track and modify nucleic acids and proteins in living cells.
How cell labeling of mammalian cells done?Mammalian cells can be magnetically labeled by combining ferumoxides or superparamagnetic iron oxide (SPIO) with transfection agents (TAs). The effectiveness and survivability of cell labeling with TAs complexed to SPIO have not been systematically compared. This study examines the toxicity and labeling effectiveness of FEs complexed to various TAs in mammalian cells at various doses. TAs from several classes, including lipid-based substances, dendrimers, and polycationic amines, were employed. TAs at concentrations ranging from 1 to 50 microg/mL in incubation media were used to measure the cellular toxicity. Combining varying doses of TAs with various amounts of FEs allowed researchers to calculate the iron incorporation efficiency.Learn more about the cell labeling with the help of the given link:
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describe at least three structures made of dense regular connective tissue and three made of dense irregular connective tissue. quizlet
Tendons, ligaments are made up of dense connective tissue with collagen fibers that are more densely packed. The specialized connective tissues of adipose tissue, bone, blood, cartilage and lymph are only a few examples.
The lymph nodes, some forms of fascia, and the submucosa of the intestinal tract are all made of dense, erratic connective tissue. Other examples are the tunica albuginea of the testis and the periosteum and perichondrium of bones. In bodily areas that require support to fend against forces coming from various directions, dense, uneven connective tissue is concentrated in high amounts.
Tissue that provides structure, support, and protection to other human tissues and organs. Connective tissue also stores fat, transports nutrients and other things between tissues and organs, and repairs damaged tissue. A gel-like substance, fibers, and cells make up connective tissue.
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A scientist is studying three different layers of sedimentary rock to learn how a particular mammal species has changed over time. In the rock layer that is closest to the Earth's surface, fossilized individuals of this species have hooves on both their front feet and their back feet. In the layer below, fossilized individuals have three padded toes on both their front feet and their back feet. In the bottom layer, fossilized individuals have four padded toes on their front feet and three padded toes on their back feet.
Based on this information, individuals of this species today most likely have
A. hooves on both their front feet and their back feet.
B. four padded toes on their front feet and three padded toes on their back feet.
C. four padded toes on both their front feet and their back feet.
D. three padded toes on both their front feet and their back feet.
Answer:
A.
Explanation:
hooves are most likely as the higher layers are the most recent. althoguh the animals used to have some configuration of 3 or 4 toes on their back or front feet, the most recent data tells us that they evolved to have hooves
Based on this information, individuals of this species today most likely have hooves on both their front feet and their back feet. The correct answer is option A.
What is the study like these called as ?
It is called as paleontology. The study of such fossils and the rocks in order to predict the future like these is done by paleontologist.
With the studies and the observation that are given in the situation where the organisms have developed a situation where the presence of hooves is present on both front and back hooves.
This usually takes place in the horses where the toes are present on both front and back. In order to study the pattern as when the organism has changed in which way then in this case, the best proof is the present scenario.
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which of the statements offers the most compelling evidence for the connection of all life on earth? group of answer choices the frequency with which convergent evolution takes place the fact that dna is universal to all life forms very similar morphologies among groups of organisms evolution cannot be observed directly, so there is no compelling evidence for this. the fossil record
The most compelling evidence for the connection of all life on earth will be "the fossil record".
The fossil record is the collection of all fossils over time that have been chronologically ordered. The existence of ancient life is demonstrated by the fossil record, which also shows how some living creatures changed over very long epochs (evolved), enabling them to endure shifting conditions.
The most compelling evidence for the connection of all life on earth
Anatomy species may share similar physical features because the feature was present in a common ancestor or the homologous structures).Molecular biology. DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are.Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.Fossils documentary that how existence of now-extinct past species are related to present-day species.To know more about life on earth here
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if microbe a and microbe b have whole genome similarity of 68%, as determined by dna-dna hybridization, they should be considered the same species.
if microbe a and microbe b have whole genome similarity of 68%, as determined by dna-dna hybridization, they can not be considered as same species
The gold standard for genomic similarity assessments of pair-wise sets of strains for classification purposes has been DNA-DNA hybridization (DDH) methods. The approach has been extremely important in the last 50 years of prokaryote categorization. To determine how closely two genomes are related, a variety of methods have been developed. These methods largely rely on determining the degree of hybrid reassociation or the temperature stability of the hybrids. (DNA-DNA hybridization) DDH has received a lot of flak for being time-consuming, unreliable, and incapable of creating cumulative databases. These factors, along with recent advancements in genome sequencing, argue for the replacement of DDH methods with alternative strategies based on genome-to-genome sequence comparisons.
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Viruses contain genetic material which carries the instructions for the construction of new virus particles. This genetic material is primarily composed of-
A. Phospholipids
B. Polysaccharides
C. Nucleic acids
D. Polypeptides
The genetic material of viruses is primarily composed of: (C) Nucleic acids.
Viruses contain a protein coat (capsid) which protects the genetic material, which could be either RNA (ribonucleic acid) or DNA (deoxyribonucleic acid), both of which are nucleic acids. A virus cannot contain both DNA and RNA at the same time.
A virus is a nucleoprotein and the genetic material (RNA or DNA) is infectious which contains the information for the genesis of new virus particles. Generally, plant-infecting viruses contain single stranded RNA and viruses which infect animals may contain either single or double stranded RNA or double stranded DNA.
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4 You are now going to complete the table below to describe the pathway for the
control of the internal conditions in the human body you have listed in Question 2.
a Write the 3 terms as headings in the correct sequence in the columns below.
b Complete the table by describing each step in the pathway in the correct
column for each internal condition.
ned
Internal
condition
Stimulus
Pathway of control system
Receptor
Coordination
centre
(4 marks)
(12 marks)
Effector
Explanation:
10.1 Respiratory System
Students will be able to;
• Describe the function of the major
organs of the respiratory system such
as trachea, lungs and alveoli.
• Explain how air moves in and out of the
lungs through observing a lung model.
10.2 Circulatory System
Students will be able to;
• Describe the structure and function of
the heart.
• ([SOain KRZ EORRd ÁRZs in tKe KuPan
body through the blood vessels.
• Describe the components of blood such
as red cells, white cells and platelets
and its functions.
The table shows the mass and melting point of some substances.
Melting Point of Substances
Mass
(kg) Melting Point of Tin
(°C) Melting Point of Lead
(°C)
1 W Y
2 232 327
Part 1: What will be the values of W and Y for 1 kg of each substance?
Part 2: Explain your answer for Part 1.
HELP
The melting point of Tin = 231.9°c
Mass of Tin = 118.71g
The melting point of lead =327.5 °C
Mass of lead =207.2 u
As per the value , The Melting point of tin is nearly equals to the melting point of W so , the mass of Tin also nearly equals to the Mass of W that is = 117.1 gAlso for the Lead , the melting point of lead is nearly equals to the melting point of melting point of Y that is 327.5 °C so , the mass of Lead is also nearly equals to the mass of Y that is 207g/mol.So the value of W is 117.1 g and the value of Y is 207g.
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according to the smcre model, presenters have the most control over the source variable because they can take control of their appearance. group of answer choices true.
The given statement is False.
What is Gene?The term "gene" has a variety of meanings in biology. The molecular is a sequence of DNA nucleotides that is transcribed to form a functional RNA, whereas the Mendelian gene is the fundamental unit of inheritance. Protein-coding genes and non - protein coding genes are the two categories of molecular genes.
DNA is initially transcribed into RNA during gene expression. The RNA may execute a specific function directly or may serve as an intermediary template for a protein. The basis for the acquisition of phenotypic traits is the transfer of genetics to an organism's progeny. These genes that make up several genotypes, which are DNA sequences.
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in order for an organism to survive, what must it do? reproduce reproduce find food and water find food and water regenerate regenerate select a habitat select a habitat
Select a Habitat
All living things require the following five things to survive: sunshine, water, air, habitat, and food. These fundamental requirements support our cells' healthy operation in several ways.
An energy source and the capacity for reproduction are two elements that all living creatures require to exist. Water presumably as well, but if we ever find a creature that doesn't require water, the other two should still be true.
A sandwich, the sun, or minerals are all examples of energy sources. To survive, organisms require fuel. Even if they may only require a small quantity over a long time, nothing can exist without any resources
. Every living thing must reproduce. Nothing we are aware of is immoral.
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1. Describe the movement of water and
molecules across the cell membrane.
Osmosis is the process of water and molecules diffusing across cell membranes.
Cells must transfer materials into and out of their cytoplasm through their cell membranes in order to operate. Due to the semi permeability of these membranes, certain molecules can pass through but not others.Osmosis is the process by which water moves from one region of low solute (dissolved material) concentration to another region of high solute concentration across a semipermeable membrane. The semipermeable membrane in this instance prevents the solute from passing through. This involves the same random process as diffusion and can be imagined as water traveling down its own concentration gradient.Depending on the relative solute concentrations in each, semipermeable membrane-separated solutions can be classified as hypertonic, hypotonic, or isotonic. While a hypotonic solution has a lower concentration of solutes than a neighboring solution, a hypertonic solution has a higher solute concentration. When the solute concentrations are identical, water will transition from the hypotonic solution to the hypertonic solution. Isotonic solutions lack a concentration gradient because the solute concentrations are identical throughout.So, water and molecules cross the membrane by osmosis and diffusion.
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a bacterial culture is provided methionine and cysteine that have been labeled with a radioactive isotope, 35s. the bacteria are then infected with a bacteriophage. what constituent of the bacteriophage progeny will contain the majority of the 35s label?
The majority of the 35s label will be found in the capsid (the bacteriophage protein coat) component of the bacteriophage progeny.
Bacteriophages: Are they dangerous to people?However, since bacteriophages are safe to humans, as well as to animals and plants, we shouldn't be concerned about them. Because they require bacteria to reproduce, bacteriophages are only harmful to bacteria. Bacteriophage reproduction is very dissimilar from that of mammals or plants.What functions do bacteriophage viruses have?A bacteriophage infects a host cell by attaching to a bacterial strain that is vulnerable to it. When a bacterium becomes infected, a bacteriophage seizes control of its host's cellular machinery and drives the cell to create viral components rather than bacterial ones.learn more about bacteriophage here
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Help or you can please match the answers with the questions help with 1,2 and 3
Answer:
1 positive
2protein
3neutron
4electron
Give one example of something from
each of the 4 spheres that you might find
in a forest near Plainfield, Illinois.
Four elements that you might find near Plainfield, Illinois that are related to the four spheres are oxygen (atmosphere), the lake (hydrosphere), white oak tree (biosphere), and hills (geosphere).
What are the spheres of Earth?The main spheres of our planet Earth are:
Atmosphere: This refers to the layer of gas that surrounds the surface.Biosphere: All living beings such as animals, plants, fungi, bacteria, etc.Geosphere: Inanimated objects such as rocks or mountains.Hydrosphere: Elements including water such as rivers or lakes.Another sphere some authors include is the cryosphere, which included glaciers, and icebergs, among others.
What elements can be found near Plainfield, Illinois?Atmosphere: Oxygen, carbon dioxide, nitrogen, and other regular gases found in the area.Biosphere: White oak, which is a common tree species in this state, and this region.Geosphere: Hills found in the nearby area.Hydrosphere: The Plainfield lake, which can be sound in this area.
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the result of a guanine base being substituted for a thymine base in a DNA segment during DNA replication?
If a guanine base is substituted for a thymine base in a DNA segment during DNA replication, the sequence could code for the wrong amino acid during translation.
What is DNA replication?DNA replication may be characterized as a biological process through which two identical replicas of DNA are significantly produced with the help of one original DNA molecule. This strategy facilitates the construction of copies of DNA in cells during the process of cell division.
During the process of transcription, if a guanine base is substituted for a thymine base in a DNA segment, adenine is transcribed instead of cytosine.
While during the process of translation, the wrong amino acids might be terminated up being translated due to the incorrect base substitution which leads to the synthesis of faulty protein.
Therefore, the sequence could code for the wrong amino acid during translation, if a guanine base is substituted for a thymine base in a DNA segment during DNA replication.
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ronald fisher developed a critical idea for the modern synthesis of darwin and mendel. what is the basis of this synthesis? please choose the correct answer from the following choices, and then select the submit answer button. answer choices mendel and darwin both missed the importance of population growth as described by malthus. darwin was incorrect on how natural selection influences discrete traits like mendel observed. multiple genes can explain the continuous nature of most observed traits. mendel was correct in that most traits are discrete.
The continuous nature of most observed qualities can be explained by multiple genes, which is the basis of this synthesis.
How did contemporary synthesis back up Darwin's theories?The contemporary synthesis acknowledges a variety of potential pathways for evolution. Natural selection was the only mechanism that was known to Darwin. genetic drift is one of these various mechanisms that might even be as significant as natural selection in the grand scheme of evolution.Which theory results when Mendelian genetics and Darwinian evolution are combined?
The phrase "Modern Synthesis" was first used by Julian Huxley in his 1942 book Evolution: The Modern Synthesis to describe the experimental and theoretical work that successfully linked Darwin's theory of evolution and Mendel's research on heredity.
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list and describe, in order, the tissue changes resulting from continued reduction of blood circulating to the foot until amputation is necessary
Until amputation, there is pain and redness, a change in color and the tissue begins to harden.
What is amputation?Loss or removal of a body part, such as a finger, toe, hand, foot, arm, or leg, is known as amputation. Your capacity to travel, work, communicate with others, and maintain your independence may all be impacted by this potentially life-changing experience.Upper and lower amputations are often the initial amputation kinds that doctors categorize. In upper amputations, the fingers, wrist, or arm are affected. Toes, ankles, or legs are involved in lower amputations.The surgeon separates healthy tissue from diseased tissue. This comprises nerves, blood vessels, bone, muscle, and skin. The injured portion of the limb is then removed by the surgeon. Shortening the remaining nerves allows them to pull back into the healthy tissue.Learn more about the Amputation with the help of the given link:
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a species of bat nearly went extinct due to the destruction of its forest habitat. however, conservationists preserved a small remnant population of the species in a large forested reserve. the population grew and it appeared that the species would rebound when a disease suddenly wiped out the entire population. what is the likely primary reason for why this occurred?
The possible reason for this phenomenon is the low genetic diversity of the species of bat.
What is Reserve Forest?A nature reserve is a safe area that is managed for conservation purposes and to offer unique chances for research or study. It is important for flora, animals, or characteristics of geologic or other specific interests. In some nations, government agencies may identify them, as well as private landowners like charities and research facilities.
Depending on the degree of coverage provided by local regulations, nature reserves are categorized into various IUCN categories. It is typically subject to stricter protection than a natural park. Other terms, such as ecologically security area or private conservation area, may be used by different governments in their laws and official names for the reserves.
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What determines each organism’s unique traits? in other words, what creates the variation that we see in organisms?.
The variations in the DNA code, the alleles donated from the mother and father and combination of alleles within each organism are the factors that determine the unique traits in the organisms.
The unique trait that an individual possesses depends on the genes and their genetic make-up. These genes are inherited during the time of fertilization. The two gametes, called the spermatozoa and the ovum, carry the genetic information from the parents. These two gametes fuse together to form a zygote. The fusion of the two parental gametes to form a zygote is called fertilization. Zygote develops into an organism.
During fertilization, the DNA of the two organisms mix randomly and recombine to form new combinations of the genes. This mixing up of genes to form new combinations result in the unique characteristics of the offspring.
The DNA of the two parent organisms also contain the genetic code that provides instructions to a cell to make the proteins. In other words, the DNA code tells the procedure to be followed for any characteristic trait.
Therefore we can say that the variation in the DNA code, the hereditary alleles and their combinations in an organism determine the characteristic trait for that organism.
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Answer:
Explanation:
a
wsdwq
To reduce pain and swelling, john had been taking an anti-prostaglandin medication. Which enzyme is involved in the formation of prostaglandins associated with pain and swelling?.
The enzyme, cyclooxygenase 2, converts arachidonic acid into prostaglandins. The prostaglandins produced are associated with pain and inflammation.
The prostaglandins are the lipid molecules produced at the site of injury. They cause inflammation, fever, pain, etc. to facilitate the healing process. When there is any injury, cyclooxygenase 2 produces more of the normal levels of prostaglandins to respond to the injury.
But when prostaglandins are produced in an excess amount, it needs to be controlled. For this purpose, anti-prostaglandin medications are prescribed. Aspirin and Ibuprofen are two anti-prostaglandin medications commonly taken to reduce inflammation. These work by inhibiting the cyclooxygenase and thus control the production of prostaglandins like thromboxane.
More specifically, arachidonic acids are produced at the site of injury. Prostaglandins are produced in response to these omega-6 fatty acids, or arachidonic acids, and mediated the healing process.
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Name the rod-shaped organelles that have a double-membrane wall and that oxidize foodstuffs to make atp.
The double-membrane system that surrounds mitochondria is made up of inner and outer mitochondrial membranes that are separated by an intermembrane space.
Cristae, or folds, are formed by the inner membrane and extend into the matrix, or interior, of the organelle.The elements of the electron transport chain are found in the mitochondrion's inner membrane. The electron transport chain's components undergo oxidation and reduction reactions, which provide a proton gradient that ATP synthase uses to phosphorylate ADP and produce ATP.More than 90% of the energy in your body's cells is produced by mitochondria, which act as batteries in the cells.In high-energy-demanding organs including your heart, liver, muscles, and brain, mitochondria play a critical role.Mitochondria make about 25% of liver cells and 40% of heart muscle cells, respectively.Learn more about mitochondria here:
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when a prairie dog spots a predator, it responds by giving an alarm call, but only when close relatives are near. this is an example of .
when a prairie dog spots a predator, it responds by giving an alarm call, but only when close relatives are near. this is an example of vocalization.
What do you mean by predator ?The interaction between prey and a predator, where the energy flow occur called as predation and the organism feed on other organism called as predator and the food means the other organism is called as prey.
Predators can be carnivores and omnivores like Lions, tigers, sharks, and snakes, all are predators, it can fall prey to other large animals E.g. a snake is a predator to a mouse, but prey to a hawk.
Carnivorous predators directly kill and eat their prey like large animals such as the lion and tiger, they have their own mode of feeding.
Herbivore are plant eating animals like cows, buffaloes, goats, sheep, and deer; parasites are also under the category of predators which is a host dependent and live, get nutrients from host's body for survival and reproduction.
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The cell theory is one of the unifying themes of biology. Which of the following
statements would not be part of cell theory?
Cells are the building blocks for all organisms
All organisms must be made of more than one type of cell
All life is made of cells
Cells come from preexisting cells
Cells are the smallest units of life
Answer: All organisms must be made of more than one type of cell
Explanation:
Two separate polypeptide chains are most commonly covalently linked to each other through.
Two separate polypeptide chains are most commonly covalently linked to each other through disulfide bonds.
A peptide is two or more amino acids that are held together with the help of peptide bonds
A protein chain has two ends: one is the amino terminus (positively charged) and the other one is the carboxy terminus (negatively charged).
Disulfide bonds which are mostly found between the sulfur-containing side chains of cysteines contribute to the formation of the tertiary structure of proteins.
These bonds act like safety pins as they keep the different polypeptide chains held together firmly and give a shape to the protein folding.
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