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Biology
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In what way is a diseased coronary heart artery differ from a healthy one, and what are two ways to treat it?

A diseased coronary heart artery has fatty diposits (atheroma) that narrow the lumen, and block bloodflow. As the coronary arteries primarily serve to nourish the heart, this can weaken it and if it remai...

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Answered by Christine M. Biology tutor
2980 Views

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...

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Answered by Anna L. Biology tutor
32200 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...

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Answered by Calum L. Biology tutor
3535 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...

JR
Answered by Jessica R. Biology tutor
22200 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...

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Answered by Akriti G. Biology tutor
4949 Views

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