Answer:
A
Explanation:
What structure can be found in both a virus and a cell?
I’ll make you brainiest
Answer:
I think it's nucleic acid....
Explanation:
Why is a protein inactive when it is denatured
What role does oxygen play in the ETC (electron transport chain) of cellular respiration?
Answer:
Explanation: In cellular respiration, oxygen is the final electron acceptor. Oxygen accepts the electrons after they have passed through the electron transport chain and ATPase, the enzyme responsible for creating high-energy ATP molecules.
Explanation:
Plants and animals must have the element nitrogen because it is an important
component of nucleic acids and proteins.
How do these organisms obtain nitrogen?
A
Plants and animals get nitrogen directly from the air the same as
they do oxygen.
B
Bacteria get nitrogen from the air, and plants and animals get
nitrogen by eating the bacteria.
C
Nitrogen fixing bacteria convert nitrogen from the air into ammonia,
and animals ingest the ammonia.
D
Bacteria in the soil convert nitrogen from the air into a form that
plants can use, and animals get nitrogen by eating the plants.
Answer:
nitrogen fixing bacteria
these organisms obtain nitrogen, Nitrogen fixing bacteria convert nitrogen from the air into ammonia and animals ingest the ammonia.
what are the role of nitrogen fixing bacteria ?
Nitrogen fixation occur by a bacteria called nitrogen fixing bacteria during nitrogen cycle.
nitrogen-fixing bacteria are the microorganisms that provide plants with the vital nutrients and it can't be obtained from the atmosphere (air).
nitrogen-fixing bacteria are responsible for the conversion of atmospheric nitrogen to ammonia during nitrogen cycle can be taken up by plants.
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Brian is a detective who arrives at the crime scene before anyone else. What is TRUE about Brian
Answer:
He is prepared to get on the case early that way the evidence is still fresh
And no one has touched it
Explanation:
Answer:
He is Known as the First Responder to the Scene
Explanation:
he is the first person to arrive
PLZ HELP ME!!!!
“The key factor to this process is identifying the trait you want and then only allowing species that have that trait to breed with one another.” Which of the following BEST matches the statement above?
Answer:
Where is the following at?
Explanation:
helppppp!!!! :) please it’s due at 3
Answer:
q no 19 : option A
Explanation:
please mark me brainliest
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Answer:
#B
Explanation:
The statement that effects the climate on a nearby land would be west because that current is blowing by Texas with cold temperatures.
The point where separation of the DNA occurs is called the replication fork.
True
False
Answer:
True
Explanation:
The point where the separation of the DNA occurs is called the replication fork. Therefore, it is true.
What is a replication fork?The DNA double helix of a cell has been unwound and split into the replication fork, which is where DNA polymerases and other enzymes can work.
DNA helicases unwind DNA at locations known as origins during DNA replication, where synthesis will begin. The replication fork, so named because the two strands of DNA seem forked as they are unzipped apart, is a structure that is created while DNA helicase proceeds to unwind the DNA.
A replication bubble is created when the circular bacteria chromosome's double-stranded DNA is opened at the point of replication. A replication fork, a Y-shaped junction where double-stranded DNA is split into two single strands, is present at each end of the bubble. Therefore, it is true.
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In what way are the planets mars mercury and earth similar ?
Answer:
Together with Venus, they make up the inner, rocky planets of the Solar System.
Explanation:
How would absence of atmosphere affect the earth?
Answer:
If there is no atmosphere the sun rays will directly come to us and it will damage our eyes. and we cannot fly rockets also..
Which of the following statements describes the structure of the plasma membrane?
a It is a lipid bilayer with the hydrophobic area pointing inward, and the hydrophilic area facing outward.
b Protein molecules make up the membrane, which makes it a strong structure.
c The plasma membrane is made mainly from carbohydrates that give the cell energy.
d It is made primarily of cholesterol that allows the cells to communicate with others.
Answer:
A. It is a lipid bilayer with the hydrophobic area pointing inward, and the hydrophilic area facing outward.
Explanation:
The plasma membrane (also known as the cell membrane) is a membrane that separates the cell's interior from the environment that surrounds it, protecting it. It consists of lipids, proteins, and carbohydrates.
Its main component are phospholipids that create a bilayer. Phospholipids consist of two hydrophobic tails and a hydrophilic head and are arranged so that the tails face inward and the heads outwards.
This is why option A is the correct one.
You can see an image of the cell membrane's structure to help you visualize this below:
Why are there different sizes of bacterial colonies?
Answer:
colony size reduce means somehow its growth rate was hampered. In your experiment you r use salt but salt has a negative effect on E.coli.It dis regulate the osmotic balance of this bacterial cell after tolerance concentration may be this is the main reason of smaller colony size.
During photosynthesis, plants produce ___ and oxygen from the ___ of solar energy, water, and carbon dioxide.
Answer:
1. Glucose
2. Conversion
Explanation:
During photosynthesis, plants produce glucose and oxygen from the light of solar energy, water, and carbon dioxide. This process is called photosynthesis.
What is photosynthesis?Photosynthesis is a process that takes place in green plants because they have chlorophyll pigment. Chloroplast is the organelle that is present in green plants. This organelle has chlorophyll pigment that carries out the photosynthesis process.
In photosynthesis, water is taken from the soil, carbon dioxide is taken from the atmosphere, and with the help of sunlight, glucose and oxygen are formed in the chloroplast. Due to this, plants are called producers.
Photosynthesis releases oxygen into the atmosphere, which is required by all living organisms. Organisms take in oxygen and release carbon dioxide into the environment. This is called the respiration process.
In the grassland ecosystem, the plants do photosynthesis. In the ocean's ecosystem, phytoplankton do photosynthesis. Different consumers depend on these producers for food.
Hence, plants produce glucose and oxygen from solar light energy, water, and carbon dioxide.
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1.) Which of the following is an example of an adaptation?
A.) Different shaped shells
B.) Break shape
C.) Different body size among the same species
D.) Overproduction
E.) All the above
F.) None of the above
G.) Both A and B
H.) Both B and C
2.) How is artificial selection different from natural selection? Select the best answer from the choices below.
A.) In artificial selection, animals that are more likely to survive reproduce.
B.) In artificial selection, members of a species must compete to survive.
C.) In natural selection, people impact which traits are passed on
D.) In artificial selection, humans choose which organisms reproduce.
3.) A fossil that is characteristic of a particular span of geological time or a specific environment is called a(n).
A.) Index fossil
B.) Cast fossil
C.) Petrified fossil
D.) Mold fossil
Answer:For number 1 i put G
Explanation:
HELP PLS!!!If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of high-energy sugars?
Answer:
More sugars will be produced. ... Carbon dioxide does not affect the production of high-energy sugars in plants.
Explanation:
what are things Animal Cells have Only
Answer:
Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Explanation:
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There is a large number of mitochondria in cardiac muscle cells because cardiac muscles need the mitochondria to:
1)work harder and longer.
2)maintain their shape.
3)maintain their color.
4)be attached to the ribs.
Answer:
to work harder and longer
Answer:
a. work harder and longer.
Explanation:
When a cause of death is density _____________________, a certain proportion of a population dies regardless of the population’s density.
Answer:
Independent
Explanation:
A density dependent factor would cause a downfall to the population based on its numbers, like a disease. A density independent factor would affect it regardless of the population size, such as a storm or cold winter.
What is the complementary DNA sequence for GCCAACTT?
Answer:
CGGTTGAA
Explanation:
C matches with G
G matches with C
T matches with A
A matches with T.
A cell in the leaf of a corn plant contains more chloroplasts than a cell in the stem of a corn plant.
Based on this observation, what inference can be drawn when comparing the cell in the stem to the cell in the leaf?
Answer:
yes cell leaves contain more
Explanation:
this is the answer
write down the sources and deficiency symptom of calcium
Answer:
Explanation:
Causes of hypocalcemia (calcium deficiency):
- Menopause
- Low levels of vitamin D
- hormonal imbalances (removal/overactivation of parathyroid)
- renal failures
Symptoms of hypocalcemia:
- Memory loss or confusion
- muscle spasms
- numbness/tingling in the extremities (hands, feet, face)
- brittle nails
- more prone to fractures
What's the answer for this? Please answer as soon as possible!!! Thank you❤️❤️❤️
Answer: See explanation
Explanation:
Double circulation is when for every circuit, blood circulates twice through the human heart.
Firstly, deoxygenated blood is sent by the right pump m to the lungs. After it then becomes oxygenated, it will then be taken back to the heart and them the oxygenated blood will then be carried round bmthe body by the left pump.
In the figure, polygon ABCD is transformed to create polygon A'8CD. This transformation is a by a factor of.
sorry ur figure is not opening at all
What determines the rate of nutrients and waste are exchanged from the cell and the environment?
A. Surface Ratio
B. Milliliters
C. Surface Area to Volume Ratio
D. Volume
Answer:
C.
Explanation:
Volume, no
Milliliters , no
Surface Ratio, come on
The rate of nutrients and waste are exchanged from the cell and the environment depends on surface area to volume ratio.
What is a surface area to volume ratio?The amount of square meters of surface area per unit volume is known as surface area to volume ratio.
What is the relationship between surface area to volume ratio and size of the cell?The surface area to volume ratio becomes smaller as the size of a cell increases.
What is the relationship between surface area to volume ratio and exchange of materials?The exchange takes more time when the surface area to volume ratio is small.
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Which of the following statements is true?
A) Mitosis and meiosis have the same number of cellular divisions.
B) Mitosis is used for growth and repair of body cells.
C) Mitosis makes more cells than meiosis.
D) Mitosis makes more variety than meiosis.
Answer:
B
Explanation:
Mitosis has 1 meisosis has 2
Meiosis makes more cells than mitosis
Mitosis makes exact copies meisosis makes gentically differnt
Carbon credits are used to a, rehabilitate tropical rainforests b. reduce the emission of volatile organic compounds (VOC's) C, regulate how much carbon dioxide a country can emit d. coordinate carbon sequestration activities Please select the best answer from the choices provided
Answer:
C - Regulate how much carbon dioxide a country can emit
Answer:
C
Explanation:
An organelle found in most eukaryotic cells described as "cellular power plant"
Answer:
[tex]\boxed {\boxed {\sf Mitochondria}}[/tex]
Explanation:
The mitochondria is commonly called the powerhouse of the cell.
This is because it is the organelle that makes energy for the cell. The process of cellular respiration occurs in the mitochondria.
Cellular respiration turns glucose from food and oxygen into carbon dioxide, water, and ATP. ATP is useable energy for the cell, its metabolism, and its processes.
Mitochondria are found in eukaryotic cells, because it is a membrane bound organelle.
So, the organelle this question describes is the mitochondria.
from which material was the plaster of paris made from?
a) Lime stone
b) Slacked lime
c) Quick lime
d) Gypsum
Answer:
d) Gypsum
Explanation:
Plaster of Paris is obtained by heating gypsum.
I hope this helped :)
What part of the cell allows the corona vīrus to enter?
Answer:
The cellular membrane
Explanation:
Suppose you lean against a wall. You are pushing on the wall, but is the wall pushing back? How do
you know?
Answer:
yes the wall is pushing back.
Explanation:
This means that when you push on a wall, the wall pushes back on you with a force equal in strength to the force you exerted.
Answer:
Explanation:
Third law of motion because there's an equal and opposite reaction from you to the wall.