Answer: d. The sparrow population decreased because of habitat destruction.
Explanation:
You included no graph but this should be the correct answer.
Habitat loss is one of the leading ways that an animal can go extinct. This happens because the animal has to go to other habitats which might be too dangerous or they eat less because food is not as available as it was in the previous habitat. Habitat loss therefore reduces the population of animals.
This will be no different for the sparrow population here. The large shopping mall has taken the land of the sparrow and now the sparrows will see their numbers decline as time goes on due to a lack of habitat.
what's the Nucleolus function
The production and assembly of the cell's ribosomes take place in the nucleolus, a spherical component of the cell's nucleus. Ribosomal RNA genes are also translated into the nucleolus.
What is a nucleolus?A lengthy ribosomal RNA (rRNA) precursor molecule is translated from DNA in the nucleolus, where it is converted into three mature RNAs.
Assembled with particular proteins to form the big and small ribosomal subunits.
A section of the nucleus is known as the nucleolus. It is not encircled by a membrane, unlike the nucleus.
Therefore, ribosomal RNA genes are also translated into the nucleolus.
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What processes could cause a metamorphic rock to return to the surface of Earth to be worn down again? Choose TWO that apply.
A. deposition
B. plate movement
C. chemical changes
D. wind or water erosion
Answer:
definitely d
Explanation:
this happens due to geological uplift and the erosion of The Rock and soil above them metaphorphic rocks will be exposed to weathering processes and may break down into settlement I was trying to answer this question earlier but then it wouldn't let me
How do geological changes affect evolution?
a solution that has the same number of molecules as the cell is a ___ solution
Answer:
Isotonic
Explanation:
A solution is isotonic to a cell if it has the same Concentration of dissolved particles as the cell. Water molecules move in and out of the cell at equal rate, so the cell size remains the same.
1. When blood leaves the heart, where does it exit?
A the aorta
B
the capillaries
c the lungs
D
• the pulmonary vein
Answer:
A the aorta
it exits through the aorta to the rest of the body
Approximately 1.5 minutes of intense exercise will obtain ATP mostly from which process (think sprinting):
a. ATP
b. Anaerobic glycolysis
c. Phosphocreatine
d. Aerobic glycolysis
Approximately 1.5 minutes of intense exercise will obtain ATP mostly from the anaerobic glycolysis process.
Thus, the correct answer is B.
Аnаerobic glycolysis is the mаin metаbolic pаthwаy used in the setting of limited oxygen supply during exercise. It is used during high-intensity, sustаined, isometric muscle аctivity. It is inefficient from аn energetic stаndpoint аnd produces only two АTP molecules per glucose molecule, which is 19 times less thаn the full energy potentiаl of а glucose molecule. Despite its inefficiency, it is а rаpid process, аpproximаtely 100 times fаster thаn oxidаtive phosphorylаtion. The finаl step in the pаthwаy is the conversion of pyruvаte to lаctаte, which leаds to аccumulаtion of lаctic аcid.
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Two different Drosophila flies (fruit flies), fly A and fly B. are shown below. Classify each phrase or term as applying to fly A only, fly B only, or both fly A and fly B. The term "Hox genes" applies to clusters of homeotic genes found in many different animals, including fruit flies. After segmentation genes have established the body segments. Hox genes trigger the development of segment-specific body structures in the correct locations.
ONLY Fly A is described as "wild type," "has normal Hox genes," and "displays normal pattern development." ONLY FOR FLY B: "displays aberrant pattern formation," "homeotic mutant," and "carries mutant Hox genes" "Produces transcription factors initiating gene expression for segment-specific structures" is a trait shared by both Fly A and Fly B.
Give instances of homeotic genes.By observing odd alterations in fruit flies, such as those with feet in lieu of mouth parts, additional pairs of wings, or two pairs of balancing organs (called halteres) in place of wings, scientists were able to identify homeotic genes. In other cases, their heads even sprouted legs in place of antennae!
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What is a point DNA mutation?
A genetic mutation brought on by the replacement of one nucleotide with another nucleotide is called a point DNA mutation.
A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.
Point mutations involve the substitution, deletion, or insertion of a single nitrogenous nucleotide into a single base pair of DNA. The sickle cell anemia condition is a case of a point mutation. The beta-globin chain of the blood's hemoglobin pigment is affected by a single base pair mutation.
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what is a three dimensional structure that respresents the alternating pattern of particles in a crystal
A crystal lattice is a three-dimensional arrangement of particles that form a repeating pattern. It is the fundamental building block of all crystalline materials, including metals, minerals, and polymers.
The particles in a crystal lattice are arranged in an alternating pattern, with each particle connected to its nearest neighbors. This arrangement of particles creates a highly ordered structure, which gives crystals their unique properties, such as hardness, strength, and electrical conductivity. The repeating pattern of a lattice is what gives it its distinctive structure and allows it to be easily manipulated.
Depending on the size and shape of the particles, the lattice can take on many forms, from cubic to hexagonal. The arrangement of particles in a crystal lattice can also determine its physical and chemical properties. The structure of a crystal lattice is an important factor that must be considered when designing materials for specific applications.
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what does “How does her experience connect to the theme “A Matter of Life-or-Death”? What lesson about human nature does her experience teach you? “ means
Extremely important, often because someone may die or suffer great harm if people do not act immediately.
How does her experience connect to the theme ?What actually important in life are friendships, relationships, time, memories, and experiences. It is those people and things that can never be replaced, no matter how hard you try. Another crucial part of life is purpose, since without it, you would feel empty and bereft of everything.
Human nature is a notion that refers to the underlying inclinations and qualities that humans are considered to have naturally, such as ways of thinking, feeling, and behaving. The word is frequently used to refer to the essence of humanity or what it “means” to be human. The natural world and its processes may teach us a lot about the flexibility, inventiveness, and resilience that already exists inside us and is only waiting to be unleashed.
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Choose one of the three light technologies (fiber optics, lasers, and holograms), discussed in this lesson, and research it. Write a one or two page report. You could include more details about how the technology works, a particular use for the technology, or how it was discovered.
Write one or two pages.
Click on the Rubric below to open the Light Technology Rubric.
A laser is a device that produces light using an optical amplification technique based on electromagnetic radiation's stimulated emission. "Light amplification by stimulated emission of radiation" is the abbreviation for the phrase "laser."
Lasers are one of the three light technologies.
What are light technologies?The equipment and methods used to produce and store light are referred to as lighting technology.
Some examples of light technologies are:
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During this stage of interphase, a cell prepares for cell division by making proteins and ATP it will use: *
The process of cell division is a complex process that requires the cell to prepare in many ways. During interphase, a cell prepares for cell division by synthesizing proteins and ATP, which it will use as energy sources during division.
Proteins are essential for division because they serve as structural components of the cell and are responsible for maintaining the cell’s shape. During interphase, the cell manufactures the proteins it needs for division. These can include cytoskeletal proteins, which give the cell structure and help it move, and enzymes, which help with chemical reactions. Without these proteins, the cell would not be able to divide correctly.
ATP is also essential for cell division. During interphase, the cell manufactures ATP, which it uses for energy during division. ATP is the energy currency of the cell and is used to power the metabolic processes required for cell division. It also helps the cell move and change shape during division, which is necessary for the process.
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Which of the following statements is true?
1.Plant cells have cell walls instead of cell membranes.
2.The excretory and the lymph system work together to control all bodily functions.
3.Reproduction by mitosis produces a single identical cell.
4.The cardiovascular system transports oxygen and carbon dioxide for the respiratory system.
Answer: number 4. is correct
What do you think plants will do next and why?
Answer:
die
Explanation:
because
The basic bilaterian body form plan can be thought of as simply ____.a. a series of boxes
b. several joined rings
c. many concentric circles
d. a tube within a tube
The basic bilaterian body form plan can be thought of as simply a tube within a tube.
The inner tube is the individual's intestine, with the mouth at one end and the anus at the other, while the outer tube forms the nervous system and skin.
The majority of animals have a body plan that may best be characterized as a tube within a tube. This plan provides two openings. One is the mouth through which food enters the body (the mouth) and the other is the mouth through which feces exit the body (the anus). A hose-in-hose plan allows for specialization of parts along the hose such as: Stomach, intestines, etc. The other body plan is a bag-like body plan with only one opening. They are 10% less effective
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Need help I will give you 20 points plsss
Answer:
III3 will be "pp" lower case p
II2 will be Pp
Explanation:
As we know the trait is caused by dominant alleles. III3 is not affected so she will have two recessice alleles so 2 lower case p.
III2 is affected so the person will have one dominant allele P and one recessive. The dominant is from the father and the recessive is from the mother.
Hope that helps
Answer:
1. pp 2. Pp
Explanation:
1. Since it says the genetic disorder is caused by a dominant allele, that means that the ones affected (colored in) would have one "P" allele. Those not affected (not colored in) would display the genotype "pp." That would mean that generation III-3's genotype would be "pp."
2. The genotype of III-2 is "Pp." The dad was not affected (meaning he has 2 recessive alleles, pp) and the mom was affected (meaning she has at least 1 dominant allele, p; her genotype would either be PP or Pp). Because of this, III-2 would have to get one allele from the dad and one allele from the mom, therefore... their genotype would be: Pp.
How did black Monday affect the direction of Wilkins career
Answer:
Bombing of Hiroshima
Explanation:
This made him want to study the science of life
What will happen if the number of cells increase in a series circuit?
Increasing the number of cells increases the current in the circuit.
Connecting cells in series increases the voltage in the circuit by 1.5V per cell. Increasing the voltage will increase the brightness of the bulb. Unscrewing one bulb in a series circuit extinguishes all bulbs in the circuit. Increasing the number of incandescent lamps in a series circuit reduces the brightness of the incandescent lamps.
Increasing the number of cells increases the voltage (adding voltage to cells in series). A cell is a "power source". It converts stored chemical energy into potential energy, allowing positive charge to flow through an external circuit from positive to negative. This is known as current.
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which of the following events stimulates the production of viral particles in a host cell?
a) activation of the host cell by cytokines, growth factors, or antigens
b) Assembly of viral proteins and mRNA molecules
c)Processing of viral envelope proteins at the Golgi.
d) Low-level transcription of viral DNA.
The production of viral particles in a host cell is a complex process that is stimulated by a variety of events. One of the key events that triggers the production of viral particles is the activation of the host cell by various factors. So the correct option is a.
This can include the presence of cytokines, growth factors, or antigens. These factors can activate the host cell's machinery and cause it to begin the process of viral replication.Another important event that stimulates the production of viral particles is the assembly of viral proteins and mRNA molecules. Once the host cell is activated, the viral genome is transcribed and translated, resulting in the production of viral proteins. These proteins then come together to form the viral particles.
The processing of viral envelope proteins at the Golgi is also an important event in the production of viral particles. The Golgi is a cellular organelle that is responsible for the sorting and modification of proteins. It plays a crucial role in the formation of the viral envelope, which surrounds the viral particles and helps them to enter host cells.
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PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE
Answer: B
Explanation:
DNA extracted from these cells is centrifuged. What density distribution of DNA would you expect in this experiment
one low-thickness and one middle-of-the-road thickness band. An organic chemist disconnects and decontaminates particles required for DNA replication.
coli cells become on a 15N medium are moved to a 14N medium and permitted to develop for two additional ages (two rounds of DNA replication). DNA extricated from these cells is centrifuged.
The processed DNA (5 to 10 kb; 10 to 50 mg/ml) was utilized to change skillful E. coli cells, however, no transformants were recuperated. Roundabout plasmids are significantly more productive for change than straight structures are (4).
Escherichia coli filling in a supplemented medium containing glucose don't use the milk sugar, or lactose (glucose-4-β-d-galactoside); be that as it may, on the off chance that the microorganisms are set in a development medium containing lactose as the sole wellspring of carbon, they combine β-galactosidase and can in this manner use lactose.
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What is the ratio of white crossed with heterozygous purple?
The genotypes of the offspring born from the union of a heterozygous purple flower (Rr) and a recessive white flower (rr) are (Rr), (Rr), (rr), and (rr). Consequently, half of the progeny possess purple flowers (Rr), while half have white blooms (rr).
Because all of them are heterozygotes and purple is dominant above white in this situation, all the offspring from this cross would be purple (Pp). There is therefore no possibility of a child having white blooms. The F2 generation is composed of 50% Pp (heterozygous), 25% PP (homozygous dominant), and 50% Pp purple flowers (homozygous recessive, white flowers). In this way, the white characteristic is passed on to the next generation. The F1 generation, which solely possessed purple flowers, was created by cross-pollination using two parent (P) plants. from F1 self-pollination
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Hurry up I don't have much time: Explain how noise pollution is harmful to cetaceans
Answer:
Recent studies suggest that noise pollution can harm whales directly by damaging their hearing, and in extreme cases, causing internal bleeding and death. More commonly, it appears that excessive or prolonged noise can cause behavioral changes that interfere with the health and survival of the animals.
Explanation:
if someone made a scale model, and they hade 1 cm for every 100,000 kilometers how many centimeters would 58 million kilometers be?
The statistic must typically be multiplied by a constant scale factor in order to be a reliable estimate of the scale parameter. This scale factor is defined as the theoretical value of the result of dividing the necessary scale parameter by the statistic's asymptotic value.
What are the parameter for scale model?A map's scale may be depicted graphically (a graphic scale), but it is typically expressed as a ratio or fraction, such as 1/10,000 or 1:10,000. With these “representative fraction” scales, one inch or one centimetre on the map corresponds to 10,000 of the same units on the ground.
Therefore, We are all aware that 1 centimetre is equivalent to 1/100000 kilometres. Hence, 1 cm = 0.00001 km As a result, multiply the number of cm by 0.00001 to convert from cm to km. In other words, multiply the cm value by 100,000 to get the km value.
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Drag the tiles to the correct boxes to complete the pairs.
Match the inheritance patterns with the scenarios that exemplify them.
codominance
multiple alleles
incomplete dominance
A pink roses are formed when red roses are mated with white roses.
Genes with the alleles IA, IB, and i are responsible
for expression of A, B, and O blood types.
A red flower and a white flower produce
an offspring with equal proportions of red
and white coloration.
In co-dominance alleles are equally expressed, while in incomplete dominance neither of the alleles are completelly expressed. Multiallelic genes are those that have more than two alleles as alternative forms. A) Incomplete dominance. B) Multiple alleles. C) Co-dominance.
What are codominance, incomplete dominance, and multiple alleles?
Codominance refers to a non-mendelian inheritance pattern in which two different alleles present in the same genotype are equally expressed.
There are no dominant or recessive alleles since non of them hides the expression of the other one in heterozygous individuals.
The phenotype of a heterozygote expresses two alternative phenotypic variants.
Incomplete dominance refers to another non-mendelian inheritance pattern in which heterozygous individuals express an intermediate phenotype between the dominant and the recessive phenotypes.
Neither of the involved alleles completely dominates over the other one.
Multiple alleles refer to genes that express more than two possible alleles. Let us remember that alleles are alternative forms of the same gene. So, multiallelic genes can have many alleles, and each of their codes for a different trait.
Pink roses are formed when red roses are mated with white roses ⇒ incomplete dominanceGenes with the alleles IA, IB, and i are responsible for expression of A, B, and O blood types ⇒ Multiple allelesA red flower and a white flower produce an offspring with equal proportions of red and white coloration ⇒ co-dominanceYou can learn more about co-dominance, incomplete dominance, and multiple alleles at
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At what age does the "settling" process generally begin with regard to height?
a) 35
b) 45
c) 55
d) 65
The "settling" phase in terms of height usually starts at age 55. The correct option to this question is C.
Medium level
Page: 487
Ability: Factual
Describe the bodily changes that people go through in middle adulthood for LO 15.1.
Bloom's Taxonomy Level Remember
The term "lifespan" refers to the greatest number of years that a person can live, whereas "life expectancy" refers to the average number of years that a person lives.
At the individual level, it refers to the time between conception and death; at the cohort level (which includes both real and synthetic cohorts), it refers to the average life expectancy or age at birth. To avoid ambiguity, a modifier is needed when life span is applied to a population or a species.
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Some bacteria form a capsule or slime layer around their cell wall in order to promote motility. Group of answer choices True or False
Some bacteria form a capsule or slime layer around their cell wall in order to promote motility is false ,
Biofilms are made up of many cells and their outer barriers. Both capsules and slime layers serve fundamental tasks of protection and adhesion.
Many bacterial cells produce extracellular material in the form of a slime layer or a capsule. A slime layer is loosely connected to the bacteria and readily washed away, but a capsule is securely linked to the bacterium and has defined limits.
High molecular weight compounds, glycoproteins and glycolipids, released in the cell and secreted outside the cell, produce capsules and slime layers. These two layers protect the cell from desiccation and provide resistance to macrophage phagocytosis.
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why the concentration of nitrate ion in the soil had decreased after the farmer grew maize plants in the field?
Answer:
because the maize plant will take in the nitrate and use it to make proteins for growth.
The concentration of nitrate ion (nitrogen) in the soil decreases after the farmer plants maize plants in the field because the maize plants have taken up these ions.
Does maize require nitrogen?To develop and produce, maize plants need a lot of nitrogen. 160 kg/ha of nitrogen are removed on average by maize crops.
What purpose does nitrogen serve in maize?Due to its function in photosynthesis and other biological activities like mineral and water absorption, vacuole storage, and xylem movement, nitrogen is a crucial nutrient for maize and a major regulator of grain output.
What type of fertilizer is ideal for maize?The growth, yield, and quality of maize crops are most strongly influenced by nitrogen.
Fertilizer with nitrogen is necessary for healthy leaf growth.
What happens if the leaves of maize are small?Less photosynthesis, which is necessary to store starch in grains, occurs as a result of smaller leaves.
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Which of the following staining procedures is matched with the principal use for that stain?
A negative stain used to differentiate cell wall components
B flagella stain used to distinguish dormant structures formed during adverse environmental conditions
C endospore stain to visualize flagella
D acid-fast stain for microbes with waxy cell walls
The primary use of endospore stain is in conjunction with the analysis of flagella staining procedures.
How could a bacteria be rendered in three dimensions?An instrument that may be used to investigate cells and other microscopic things is a micrometer. An object's image is magnified through at least single lens throughout the microscope. This lens distorts light so that an item looks bigger than it actually is.
Which are the three distinctive stains, exactly?Special Stains Masson Trichrome. The trichrome stain helps to reveal the collagenous matrix that acts as support in sections from different organs.
The elastic stain by Berkoff.
Apply reticulin to stain.
The Giemsa blotch.
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Differentiate between stomata and lenticels
Answer:
Stomata are tiny pores found in the epidermis of the plant leaves and stems which involve in gas exchange of plants.
Lenticels are lens-shaped spots or present in the woody trunks or stems of the plants. They act as pores which involve mainly in direct gas exchange of plants betweem internal cells of the stem and the environment.