Top answers

Biology
GCSE

Name 3 things that can affect the activity of enzymes

1) Temperature: increasing the temperature increases the rate of reaction, however this can only happen to a certain point as beyond each enzyme's optimum temperature they get denatured (...

JC
Answered by Jessica C. Biology tutor
2853 Views

What are the key differences between meiosis and mitosis? Give an example of when mitosis may be used

Mitosis is used for asexual reproduction and produces 2 identical daughter cells which will have the smallest number of chromosomes as the parent cell, whereas meiosis is used in sexual reproduction and ...

EB
Answered by Ellie B. Biology tutor
2580 Views

A blood test called the glucose tolerance test checks how well the body processes glucose. Concentrations of glucose in the blood are measured before and after drinking a glucose drink. Suggest why patients are not allowed to eat for 8 hours before?

Your immediate logical answer is that if they eat before the test then that will confuse the blood glucose levels. This is correct, but you just need to adjust your answer so it makes sense and relate it ...

GC
Answered by George C. Biology tutor
4297 Views

State the similarities and differences between eukaryotic and prokaryotic cells

Prokaryotic cells (bacteria) are exclusively unicellular whereas eukaryotic cells can display attributes of both multicellular and unicellular of a bigger and more complex structure. Eukaryotes are disti...

DS
Answered by Dominic S. Biology tutor
4171 Views

What role does auxin play in the processes of phototropism?

Auxin is a plant hormone that is often made in the growing tips of roots and stems, the hormone can then diffuse to other parts of the plant. It controls the growth of plants by promoting cell division an...

HA
Answered by Harry A. Biology tutor
6261 Views

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