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Why do some mutations to DNA structure not result in a change of the produced polypeptide?

This is a question which candidates would be expected to recall knowledge about the degenerate nature of the genetic code. A degenerate genetic code means that more than one codon can result in the same a...

Answered by Biology tutor
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What are the differences between animal and plant cells?

Animal and plant cells are very similar as they both have a cell membrane, a cytoplasm and a nucleus.However, plant cells also have a permanent vacuole, chloroplasts and a cell wall.

Answered by Isobel H. Biology tutor
2528 Views

What is osmosis?

To understand osmosis, first you need to understand water potential. Pure water has a water potential of 0, and as it becomes less pure (due to things dissolving in the water) the water potential goes dow...

Answered by Biology tutor
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How does an atheroma increase the risk of death?

An atheroma is defined as fatty material in the wall of an artery. This increases the risk of a blood clot forming in the artery. If a blood clot forms in a coronary artery, which supplies the heart muscl...

Answered by Melissa T. Biology tutor
1828 Views

Explain how the hormone insulin controls blood glucose concentration

Insulin is a hormone secreted from the pancreas in response to high blood sugar levels (glucose). Insulin causes cells in the liver to convert glucose into glycogen (storage molecule) absorbing glucose ou...

Answered by Shivam K. Biology tutor
2350 Views

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