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Biology
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How is ATP produced in the light-dependent reaction of photosynthesis?

The production of ATP occurs through the process of photophosphorylation. When light energy hits the chlorophyll molecule, it is absorbed by photosystem I and pho...

Answered by Anna L. Biology tutor
21086 Views

Describe the process of transcription

Transcription is the process where a segment of DNA is copied into a segment of mRNA. This takes place in the nucleus. First the segment of DNA needs to be unzipped, so an enzyme breaks the hydrogen bonds...

Answered by Calum L. Biology tutor
2875 Views

Explain the significance of complementary base pairing in DNA to transcription and translation.

Complementary base pairing conserves information from DNA to polypeptides. This is because adenine always pairs up with thymine and guanine pairs up with cytosine. Complementary base pair...

Answered by Jessica R. Biology tutor
18182 Views

What is the difference between a bacteria and a virus?

Both are considered microorganisms but viruses are arguably not living organisms as they cannot reproduce without living hosts . Apart from this, viruses are much smaller than bacteria and differ in terms...

Answered by Akriti G. Biology tutor
3923 Views

Describe how a sperm cell is adapted to its role (4 marks)

The role of a sperm cell is to fertilise an egg. The head contains the nucleus, which holds the male genetic material. It has a tail for swimming to the egg. It is packed with mitochondria to supply the e...

Answered by Aamna W. Biology tutor
4465 Views

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