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zhuklara [117]
4 years ago
13

State one reason why a molecule may not be able to pass into or out of a cell

Biology
1 answer:
goldenfox [79]4 years ago
6 0
Because the cell surface membrane may not want it to come into the cell or go out.

The cell surface membrane is what controls what flows in and out of a cell.
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What are the behaviors and physical characteristics of a species that allow them to live successfully in their environment calle
elena-14-01-66 [18.8K]

Hello there

the answer to your question is adaptations

thank you

5 0
3 years ago
When Mr. T’s blood pressure dropped, his heart rate increased. Which part of his autonomic system was responsible for this respo
faltersainse [42]

Answer:

Medulla oblongata is responsible for autonomic regulation system.

Explanation:

Autonomic regulation is a controlling system that regulates different function of body such as heart rate,digestion,blood pressure,urination,respiratory rate,papillary response etc.

Hypothalamus is the main center of controlling this functions.

Autonomic dysfunction occur when autonomous nervous system damages,and the effect may be mild to life threatening.

Autonomic activity may leads to certain kind of side effects like-

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6 0
3 years ago
What is the difference between pollen and spores?
Stella [2.4K]

Answer:

Spores are used by groups of ancient plants and fungi in one stage of their reproduction. ... Spores grow into intermediate plants called gametophytes. Neither of these groups of plants produces flowers. Pollen is used by flowering plants to fertilize seeds.

Explanation:

3 0
3 years ago
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A solute uses a protein channel to cross into or out of the cell. What
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D, active transport because that protein uses atp to cross channels and active transportation is the only form of movement that’s used atp to move
6 0
4 years ago
Drag in the organelles either under all cells or 1 or 2 cells
Alex17521 [72]
What's up? i learned this a pretty long time ago so bear with me

all cells: dna, nucleus, ribosome, cytoplasm, cell membrane, (mitochondria??)

1/2: cell wall, vesicles

i think i may be wrong on mitochondria, again i honestly forget this due to the school system kinda failing us
6 0
2 years ago
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