Search our library of Biology questions

Top answers

Biology

All levels

Person A and person B both eat the same high glucose meal. Person A's insulin rises dramatically while Person B's does not. Explain a possible reason why and describe what happens to the glucose once it enters their blood streams.

In person A, once the glucose enters the blood stream, the higher glucose level is detected by the beta cells of the islets of Langerhans in the pancreas. These cells respond by synthesising insulin and s...

Answered by Jack B. • Biology tutor

2321 Views

Describe how the presentation of a virus antigen on a cell leads to the secretion of antibodies against this viral antigen

3 mark question - remember to use key words/phrases the examiner will be looking for to give you the marks. Be concise and specific in your answer - make it as easy as possible for the examiner.

Answered by Eleanor M. • Biology tutor

23143 Views

Compare and contrast competitive and non-competitive enzymes inhibitors

Both competitive and non-competitive inhibitors interfere with the functioning of the enzyme's active site, reducing the number of enzyme-substrate complexes that can form. Competitive inhibitors have a s...

Answered by Georgia T. • Biology tutor

36636 Views

What is the difference between B and T cells?

Both cells are white blood cells and are involved in the immune response. There are two main responses you should be aware of The humoral response and

Answered by Alexander C. • Biology tutor

4587 Views

How would a reduced level of chlorphyll in a plant cause a stunted growth? Can anything else affect growth?

Chlorophyll is vital for photosynthesis, which is how the plant makes glucose for energy. If there is less photosynthesis, there will be less glucose made and so less energy released for growth. Glucose i...

Answered by Rebecca P. • Biology tutor

3654 Views