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Why is it important to regulate body temperature? What is the role of our skin in regulating our body temperature?

Our skin is responsible for ensuring that, when our surroundings get too hot, our body temperature doesn't spike up to unhealthy levels. Likewise, when our surroundings get too cold, our skin plays a role in...
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Answered by Kartika A. • Biology tutor
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How does the Calvin Cycle in photosynthesis work?

If you recall the basic chemical equation for photosynthesis: CO2 + H2O --> O2 + Carbohydrate (with 6-Carbons) ​This is precisely what occurs during the calvin cycle. Carbon dioxide is fixated and at the ...
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Answered by Kartika A. • Biology tutor
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Explain why biological enzymes would stop working at temperatures higher than 45 degrees Celcius.

1. Biological enzymes are proteins, meaning they have specific shapes depending on bond interactions. 2. The active site of the protein is specific to a certain substrate (the thing being broken down). 3. At...
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Answered by Masood H. • Biology tutor
5345 Views

Why is ATP required for skeletal muscle contraction?

When muscles contract, the length of the sarcomere (distance between the Z-lines*) shortens. ATP is required for the process of cross-bridge cycling which enables the sarcomere to shorten. The steps of cross...
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Answered by Surina F. • Biology tutor
40072 Views

What is diffusion and why is it important in both animals and plants?

Diffusion is a passive process involving the movement of molecules from a region of a higher concentration to one of a lower concentration (the term passive means that the process does not require an input o...
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Answered by Mathew C. • Biology tutor
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