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Biology
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What might happen to the rate of glucose production as the temperature of a solution of sucrose and (human) sucrase was raised from 33°C to 43°C and why?

Sucrase is an enzyme that breaks sucrose down to its constituent monosaccharides – glucose and fructose. At 33°C the enzyme will not be working at its’ optimum, as it has evolved to work most efficiently ...

MM
Answered by Miranda M. Biology tutor
6992 Views

What is the difference between arteries, veins and capillaries?

Arteries, veins and capillaries are all types of blood vessels. The best way to think about their differences are the roles they play in circulation. So, if we take the systemic circulation as an example ...

EH
Answered by Elizabeth H. Biology tutor
74972 Views

Which three things are present in plant and agal cells but not in animal cells? (3)

Cell wall Chloroplasts A permanent vacuole

This is a common question. I like to remember it as CVC - Cats Vs Cucumbers - like all the YouTube videos of cats being scared by cucumbers.

CR
Answered by Chris R. Biology tutor
2924 Views

Give an example of a negative feedback mechanism in the human body.

When the hypothalamus in the brain detects that the blood is getting too concentrated (not enough water), it stimulates the pituitary gland to release an anti-diuretic hormone (ADH). When it reaches the k...

PM
Answered by Paul M. Biology tutor
7151 Views

How would you test for the presence of a non-reducing sugar?

We can check for the presence of non-reducing sugars the Benedick's Test. If a reducing sugar is present in a solution, adding Benedick's reagent and heating will form an insoluble red precipitate. Non-re...

JO
Answered by Jess O. Biology tutor
109221 Views

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