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Biology
A Level

How is blood glucose maintained in the body?

The control of blood glucose levels is an example of homeostasis. The human body requires glucose for normal respiration of cells, but the blood levels is in a 

MD
Answered by Mirac D. • Biology tutor
16293 Views

What is the role of mitochondria in animal cells?

Mitochondria are organelles which provide the energy used up by the cell in respiration, through producing molecules called A...

MD
Answered by Mirac D. • Biology tutor
17971 Views

Describe the process of translation in protein synthesis

- Following transcription, the mRNA (messenger RNA) leaves the nucleus via the nuclear pores and enters the cytoplasm. It then attaches to a ribo...

FL
Answered by Florence L. • Biology tutor
46116 Views

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...

KA
Answered by Kartika A. • Biology tutor
19376 Views

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 ...

MH
Answered by Masood H. • Biology tutor
4522 Views

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