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iren2701 [21]
4 years ago
6

How is a cell membrane like a window screen?

Biology
1 answer:
mars1129 [50]4 years ago
4 0
It is semiprmeable which means that it lets some little things in and things that are too big are not allowed to pass through
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The leg muscles of a sprinter would differ from a marathon runner in that ________. The leg muscles of a sprinter would differ f
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Answer:

The correct answer is - per gram, the marathon runner's muscles would contain more myoglobin than the sprinter's muscles.

Explanation:

Marathon runners have smaller leg muscles and thinner quads and calves as marathon runners require slow-twitch muscles while in sprinters the fast-twitch muscle requires. Slow-twitch muscles of marathon runners have more amount of myoglobin, per gram than fast-twitch muscles.

Myoglobin acts as local oxygen storage that provides oxygen to the muscles in case of less oxygen supply than required temporarily and a marathon race is an intense exercise or activity that requires more oxygen.

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3 years ago
Biology question i need help with.
Oduvanchick [21]
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3 years ago
Can help me list these for me please ​
antiseptic1488 [7]

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Explanation:

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2 years ago
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Energy required by the cell is generated in the form of ATP. ATP is hydrolyzed to power many of the cellular processes, increasi
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Answer: Option B) allosteric activation

Energy required by the cell is generated in the form of ATP. ATP is hydrolyzed to power many of the cellular processes, increasing the pool of ADP. As the relative amount of ADP molecules increases, they can bind to glycolytic enzymes, which will lead to the production of more ATP. The best way to describe this mechanism of regulation is allosteric activation

Explanation:

Some enzymes have more than one active site. The other site(s) is called allosteric site.

In this case, ADP released from the glycolytic reactions binds to the allosteric sites of glycolytic enzymes, activating them and causing further breakdown of glucose, hence ATP continues to be generated.

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