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RUDIKE [14]
4 years ago
9

When an action potential occurs, _____ gates open, resulting in the inside of the cell becoming more _____ relative to the outsi

de. sodium; positive sodium; negative potassium; negative potassium; positive?
Biology
1 answer:
chubhunter [2.5K]4 years ago
3 0
When an action potential occurs, sodium gates open, resulting in the inside of the cell becoming more negative relative to the outside. Since the membrane is more permeable to potassium, more potassium move out of the cell and less sodium ions diffuse into the cell. This means that more positive charges are leaving the cell than entering the cell. Therefore, the cytoplasmic side of the membrane is negative as compared to the outside of the cell.
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Which of the following actions occurs during DNA replication?
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A tortoise can live for 54,750 days how many years can a tortoise live
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10) Which of the following is a tool that is used by astronomers to study radiation?
Anarel [89]
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4 0
4 years ago
Consider a hypothetical food chain consisting of grass, rabbits, and foxes. The primary productivity of the grass is 200 units.
STALIN [3.7K]

The maximum amount of energy that we should expect to be recycled from fox trophic level back to the grass trophic level is 0 units.

A food chain describes who eats whom in the wild. Every living thing – from unicellular algae to giant blue whales – needs food to survive. Every food chain is a possible pathway that energy and nutrients can travel through an ecosystem. The primary productivity of the grass is 200 units. There is a 10 fold decrease in the amount of energy units as we move upwards in production chain. So from grass to rabbits we lose energy. The foxes will only really have two units once it's decreased by 10 fold again. The grass does not get any energy from the decaying bodies of foxes, they get the minerals that they need to grow.  And so the correct answer to this question is 0 units because when the energy gets recycled from fox trophic level back to the grass trophic level it will be totally reduced.

Note: The question seems to be incomplete. So the complete question is "Consider a hypothetical food chain consisting of grass, rabbits, and foxes. The primary productivity of the grass is 200 units. What is the maximum amount of energy that we should expect to be recycled from the fox trophic level back to the grass trophic level? Answer choices: A) 0 units B) 0.2 units C) 2 units D) 20 units"

Learn more about food chain on:

brainly.com/question/16065961

#SPJ4

4 0
2 years ago
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