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Rashid [163]
4 years ago
10

What is the best description of cell membrane

Biology
1 answer:
scoundrel [369]4 years ago
3 0

Answer:

Look below plz. Hope it helps

Explanation:

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.

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When ADP is converted to ATP, the new phosphate is added to which position on the molecule?
NeX [460]

⁻D

The illustration shows an ADP molecule. Adding of a phosphate at position A created ATP

Explanation

It takes a relatively high amount of energy to add the phosphate because it creates a less stable molecule, ATP is less stable than ADP. Part of the reason is because of the closeness, in space, of the O⁻ groups of the phosphates molecules. Their proximity to each other results in repulsion force that make phosphate bond unstable. However this provides an advantage to ATP as a cell energy molecule because it can be easily hydrolyzed back to ADP and this phosphate bond energy harnessed by the cell’s biochemical activities.

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4 years ago
Neutrophils are first line of defense in tissues
Kruka [31]

Answer:

Neutrophils represent the first line of defence in response to invading microbes, by phagocytosis of pathogens and/or release of antimicrobial factors contained in specialised granules.

7 0
3 years ago
What part of the plant is the female reproductive structure that holds the stigma and the ovule?
morpeh [17]

Answer:

Pistil is the correct answer

Explanation:

According to 3 sources

The pistil is the name given to the entire female reproductive system contained in a flower. It is composed of the stigma, style and ovary, which houses the ovules that eventually become seeds. The pistil contains all the structures required to trap and grow compatible pollen tubes until they are capable of successfully fertilizing ovules.

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D i believe i’m sorry if this is not correct if not try c
8 0
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Question 2 of 10
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