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Biology
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Explain why a pH probe is required in a fermenter used for culturing micro-organisms.

It is important to monitor the pH of the fermenter to ensure this acidity can be detected and acid or alkali can be added accordingly to make sure the fermenter is at the optimum pH for the microorganisms...

Answered by Madeleine O. Biology tutor
10961 Views

Give the key characteristic features of a prokaryotic cell.

Prokaryotic cells are usually 1-10 micrometers in size. Prokaryotic cells have a cell wall, which is usually complexed with a peptidoglycan layer. Prokayotic cells do not have a nucleus. Prokayotic cells ...

Answered by Branislav V. Biology tutor
2795 Views

As one of the body's homeostatic mechanisms, blood glucose levels are controlled for by the hormone insulin. Explain how the regulation in blood glucose differs in a healthy individual and in somebody with type 1 Diabetes?

After the ingestion of a meal containing carbohydrate, glucose is released into the blood stream from the gut. An increase in blood glucose stimulates the secretion of the hormone, Insulin from the pancre...

Answered by Hannah S. Biology tutor
3975 Views

Describe how the structure of ATP is similar to and differs from the structure of a DNA nucleotide.

First of all, one can tell a lot about the structure of these molecules by looking at their full names - Adenosine triphosphate and deoxyribose nucleic acid.

There are many structural similarities ...

Answered by Alfie B. Biology tutor
19107 Views

Where do the 4 stages involved in Respiration?

There are 3 main stages of aerobic respiration: 1. Glycolysis that takes place in the cytoplasm 2. Link reaction takes place in mitochonrial matrix 3. The citric ...

Answered by Megan N. Biology tutor
5257 Views

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