Lipids are found in living organisms. it forms cell membrane which act as semipermeable membrane
it is formed by smooth endoplasmic reticulum
Answer:
Lipids
Explanation:
lipids function is an energy reserve, regulate hormones, transmit nerve impulses,and transport fat-soluble nutrients and they are energy-storage molecules and chemical messengers.
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In a DNA molecule, which of the following forms a base pair with cytosine?
O A. Cytosine
OB. Thymine
O C. Guanine
O D. Adenine
Answer:
Its a
Explanation:
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Kill most of the hawks using the button and then click play observe the graph for about 12 months and then click phase what happen
Four students are discussing heat, thermal energy, and temperature. Claire says temperature indicates the amount of heat in an object. Hazel states that heat is a transfer of energy. Connor says that, if two objects have equal masses, the hottest object has the most thermal energy. Evan disagrees. He says that, if two objects have equal masses, the hottest object has the most heat.
Answer:
Claire and Conner are correct
Explanation:
trust me.....
Among the four students, Hazel and Connor are correct in their statements. Heat is indeed a transfer of energy, as stated by Hazel. Similarly, Connor is right in saying that if two objects with equal masses are compared, the hottest object possesses the most thermal energy. Thus, correct option is (d).
Hazel is right when she says that heat is the thermal energy that is transferred between objects when there is a temperature difference. This is a cornerstone idea in thermodynamics. The claim made by Claire is untrue because temperature really measures the average kinetic energy of an object's molecules rather than the quantity of heat it contains.
The idea that thermal energy, which is connected to the kinetic energy of particles in an object, rises with temperature is supported by Connor's assertion. Consequently, the object with a greater temperature does actually have more thermal energy when two things have equal masses.
Evan's argument against Connor's assertion is unfounded. Temperature measures the intensity of heat, not the overall amount of thermal energy. Therefore, the correct pair of students are Hazel and Connor (option d).
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The given question is incomplete, complete question is- "Four students are discussing heat, thermal energy and temperature. Claire says temperature indicates the amount of heat in an object. Hazel states that heat is a transfer of energy. Connor says that, if two objects have equal masses, the hottest object has the most thermal energy. Evan disagrees. He says that, if two objects have equal masses, the hottest object has the most heat.Which students are correct?
a) Claire and Evan
b) Claire and Connor
c) Hazel and Evan
d) Hazel and Connor"
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How does meiosis differ from mitosis?
1. It reduces the amount of DNA.
2. It decreases the number of cells.
3. It increases the number of cells.
4. It increases the amount of DNA.
Answer:Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells. Below we highlight the keys differences and similarities between the two types of cell division.
Explanation:
Scott suffers from narcolepsy. He suddenly collapses in sleep at random moments, but his daughter, Tricia, is always there to help him. How might Scott's
narcolepsy affect Tricia?
a. Narcolepsy is thought to be hereditary, so Tricia has the potential to suffer from narcolepsy as well.
b. Narcolepsy is thought to be a learned behavior, so Tricia may learn narcolepsy from her father.
c Narcolepsy is thought to be contagious through a particular pathogen, so Tricia might be exposed to that same pathogen and become narcoleptic.
d. Narcolepsy will in no way affect Tricia, other than the help she will need to provide for her father.
Answer:
D
Explanation:
Narcolepsy has no pattern of inheritance.
Narcolepsy is thought to be a learned behavior, so Tricia may learn narcolepsy from her father. Thus option D is correct.
What is narcolepsy ?Narcolepsy is a type of sleeping disorder is characterized by severe and persistent daytime sleepiness which can cause impairments in school, work, and social settings.
Narcolepsy affects hundreds of thousands of Americans both children and adults, the symptoms include excessive daytime sleepiness (EDS), where the brain is unable to regulate wakefulness and sleep.
Other symptoms are rapid eye movement (REM) sleep, this sleep irregularly begins within minutes after falling asleep.
It can be up two types Types such as narcolepsy type 1 (NT1) and type 2 (NT2); NT1 is associated with cataplexy, which means sudden loss of muscle tone.
NT1 can be diagnosed with the low levels of hypocretin-1; NT2 was otherwise known as narcolepsy without cataplexy do not have cataplexy or low levels of hypocretin-1.
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In photosynthesis, what are the two major reactions that take place
There are two main stages of photosynthesis: the light-dependent reactions and the Calvin cycle.
Predict the appearance of an igneous rock that formed as magma
cooled quickly and then more slowly.
Answer:
It would have smaller crystal sizes at first- closer to the surface
and larger crystals in the middle/core
Explanation:
smaller crystals are formed at faster cooling rates
larger crystals are formed at slower cooling rates
Worth 50 points
What gives a protein its unique shape?
Question 5 options:
neither
the unique sequence of amino acids in its polypeptide chain
the unique folding of the polypeptide chain
Answer:
the unique sequence of amino acids in its polypeptide chain
Explanation:
Protein is a large molecule which is made from a chain of smaller molecules called amino acids. There are twenty amino acids exist, and when they bond together they make unique proteins depending on their sequence in the chain.
Which of the following was likely present in Earth's early atmosphere over four billion years ago?
Group of answer choices
Presence of DNA molecules
Very hot temperatures
Low levels of ultraviolet radiation
Abundance of oxygen
Answer:
low levels of ultraviolet radiation ;)
What gets carbon from the atmosphere ? Butterfly ? Flower ? Lion ? Tree ?
Answer:
Tree
Explanation:
Tree
Answer:
forest
Explanation:
the leaves of tree suck up the carbon
Compare geologic time with the geologic column . (Earth science )
Answer:
The geologic time scale (GTS) is a system of chronological dating that classifies geological strata (stratigraphy) in time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events in geologic history. The time scale was developed through the study and observation of layers of rock and relationships as well as the times when different organisms appeared, evolved and became extinct through the study of fossilized remains and imprints. The table of geologic time spans, presented here, agrees with the nomenclature, dates and standard color codes set forth by the International Commission on Stratigraphy (ICS).
Explanation:
Plz help I need help
Answer:
D
Explanation:
Studied this recently.
Select all the ratios that are
equivalent to each other.
A4:7
B. 8:15
C 16:28
D. 2:3
E 20:35
How does water pass through the cell membrane using passive transport
Answer:
Hope it helped you brainiest plz and thank you have a great day!!!
Explanation:
How does water pass through the cell membrane using passive transport?
It pass through the passive transport by the simple diffusion of water which can make it simple for a cell membrane to go through.
the mantle is composed primaraly of?
Answer:
The mantle of the earth is made mostly of solid rock
What do you think interphase is? What might the cell be doing in this phase? Think about the prefix "inter". Write your best definition - it's ok if you're not sure, just try your best!
Answer:
Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, replicates its DNA in preparation for mitosis, and conducts other "normal" cell functions. Interphase was formerly called the resting phase.
A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division
Interphase is the part of time which mostly the cell utilises for its functionality.
Some of them as
Replication of DNArespirationImport of nutrientsGrowing upWhich of the following statements is NOT TRUE about photosynthesis and cellular respiration? (B.9B)
Question 19 options:
Both processes require energy
Both processes occur in the mitochondria
The chemical equations for the processes are opposite of each other.
Photosynthesis occurs in plants; cellular respiration occurs in plants and animals.
Answer:
Both processes require energy cuz respiration produces energy
Explanation:
The statement that is not true is that both processes occur in mitochondria as photosynthesis happens in chloroplasts. So the correct option is B.
What is cellular respiration in plants?While oxygen is needed for plant respiration, carbon dioxide is also released during the process. Plants, unlike people and other animals, don't have any specific structures for the exchange of gases, but they do have stomata (found in leaves) and lenticels (found in stems) that play a part in it. Compared to people and animals, leaves, stems, and plant roots respire slowly.
Respiration is distinct from breathing. Breathing is a phase in respiration that is completed by both humans and animals. Plants breathe differently through a process called cellular respiration, which they engage in throughout their whole existence since the plant cell needs the energy to survive.
Plants produce glucose molecules during this process of cellular respiration by using photosynthesis to absorb solar energy and transform it into glucose. Several real-world experiments show that plants can breathe. To provide their cells the energy they need to function and stay alive, all plants breathe.
Therefore the correct option is B.
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Bacteria for these three.
Morphology and arrangement?
Answer:
There are three basic shapes of bacteria: coccus, bacillus, and spiral. Based on planes of division, the coccus shape can appear in several distinct arrangements: diplococcus, streptococcus, tetrad, sarcina, and staphylococcus. The bacillus shape can appear as a single bacillus, a streptobacillus, or a coccobacillus.
Explanation:
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Thyroid hormone receptor (TR) regulates growth, development, and differentiation of mammals. TR contains both a domain that binds to T3, the thyroid hormone, and a separate domain that binds to DNA. Which of the following BEST explains how TR signals?
A. T3 binds to TR at the cell membrane, which then releases second messengers to regulate gene expression.
B. T3 binds to DNA at the cell membrane, which then releases second messengers to regulate gene expression.
C. T3 diffuses through the cell membrane to bind to TR, which then binds to DNA to regulate gene expression.
D. T3 diffuses through the cell membrane to bind to DNA, which then binds to TR to regulate gene expression.
Answer:
C. T3 diffuses across the cell membrane, attaches to Tr, and then binds to DNA to control gene expression.
Explanation: Thyroid hormone, as a ligand, diffuses across the plasma membrane, then searches for the nucleus TR (Thyroid receptor and RxR aie heterochimeric bind to DNA).
When Thyroid Hormone binds to the A domain of T3, Corepressor Proteins are removed, which stimulates gene transcription.
A triplet of bases in a template strand of DNA is CAG. What would be the corresponding codon for mRNA?
GTC
GUC
OGTU
GUU
Which of the following is an indicator of good water quality? (2 points)
Answer→ Physico-chemical indicators
Explanation ≈ They include dissolved oxygen, pH, temperature, salinity and nutrients (nitrogen and phosphorus). They also include measures of toxicants such as insecticides, herbicides and metals.
How does the friction affect the total time a pendulum is in motion? And what could cause this friction in the real world?
Answer:
Without friction, the equation of motion for a pendulum of length L is,
md2θdt2+mgsin(θ)L=0.
Or for small oscillations, (i.e., sin(θ)≈θ),
md2θdt2+mgθL=0.
Assuming an initial angle θ0 and a pendulum that starts at rest, the solution to this differential equation is,
θ(t)=θ0cos(gL−−√t).
Frictional force adds an additional damping term into the equation of motion,
md2θdt2+λdθdt+mgθL=0,
where λ is a coefficient of kinetic friction.
Assuming an initial angle θ0 and a pendulum that starts at rest, the solution to the damped differential equation is,
θ(t)=θ0e−12λmtcos((gL−λ24m2−−−−−−−−√)t).
(Note: If you would like to consider closed form solutions for large angles, I would recommend consulting the mathematics section. The solutions to that problem are called elliptic integrals of the first kind.)
Friction decreases the total time that a pendulum is in motion.
If we consider a pendulum in motion, in accordance with Newton's law, the pendulum will continue moving unless it is acted upon by an external force.
In the case of the pendulum, the external force that acts on it is the air resistance or friction. As a result of this friction, the pendulum will eventually come to a stop.
In the real world, the surface of objects cause friction which causes moving objects to stop.
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Which forms of transport across a cell membrane do NOT require the use of ATP?
Passive transport is the movement of substances across the membrane without the expenditure of cellular energy.
James Bond is kidnapped and placed on the floor of a moving
train. He can see only the night sky through the windows.
Using the Big Dipper, he locates Polaris. Over the course of
the night he notices the altitude of Polaris is decreasing.
What direction is he being taken?
Answer:
Down
Explanation:
Altitude refers to how high above the ground you are. If this decreases, you are going down
Name this organism?
Is this organism prokaryotic or eukaryotic?
Answer:
Prokaryotes
Explanation:
Prokaryotes are organisms that consist of a single prokaryotic cell. Eukaryotic cells are found in plants, animals, fungi, and protists. They range from 10–100 μm in diameter, and their DNA is contained within a membrane-bound nucleus.
...
What is the name for a complex, organized group of organisms?
Giving brainliest too correct answer
Answer:
A.) Different ideas from different scientists.
Explanation:
Which term describes a type of organism whose cells contain a nucleus and specialized membrane-bound organelles?
Answer:
A eukaryote is any organism whose cells have a cell nucleus and other organelles enclosed within membranes. any of a number of organized or specialized structures within a living cell.
Explanation:
Which macromolecule should the team try to isolate from the bacteria?
Answer:
A protein that specifically binds lipids or oils
Explanation:
In which cell structure are ribosomes produced
Answer:
the nucleolus
Explanation:
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