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Biology
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Describe the events that modulate the release of insulin in beta cells. (4)

This is a describe question - it should be answered directly with only the appropriate factual information.
Glucose enters the beta cells via specific glucose transporters embedded in the cell membr...

Answered by Biology tutor
1401 Views

How does the heart contraction and what controls Heart Rate (HR)?

Myogenic contraction mechanism of the heart: The heart is myogenic and so the heart beats due to electrical activity from inside the heart itself. This is compared to muscle that contracts due to signals ...

Answered by Bethany D. Biology tutor
1652 Views

Two parents are both carriers for a genetic condition which is recessive. What is the percentage chance they will have a child affected by the condition?

I would approach explaining the answer to this question in a manner which was appropriate to the stage and understanding of the student. First I would check understanding of the meaning of the question an...

Answered by Tutor593780 D. Biology tutor
1309 Views

Explain how an individual develops immunity following infection by a bacteria

When an individual is exposed to the bacterial pathogen and its antigen, it causes activation of the body's own immune response. When the immune response is initiated, the pathogens are destroyed by T kil...

Answered by Kathryn M. Biology tutor
1487 Views

How does temperature affect enzyme activity?

Enzymes are biological catalysts which speed up the rate of reactions. They are specific to their substrate (seen in the lock and key model) and form enzyme-substrate complexes. At low temperatures the en...

Answered by Lily J. Biology tutor
12341 Views

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