AS biology long questions

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Question 1.
What about ice allows it to float? Is it a specific structure? Therefore if ice floats what does that allow organisms to do? Do polar ions increase solubility? How can organisms use this? How does specific heat capacity relate to this?
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Question 2.
What kind of immune response is it? What allows B cells to specialise to act against a certain pathogen? What kind of selection is this? What happens to the B cells afterwards, and what do the B cells secrete?
2 of 7
Question 3.
What solution do you need to heat reducing sugars with? Is there a colour change? Do you need to use known concentrations first? How does absorbance relate to the colour change?
3 of 7
Question 4.
Has the situation that caused the animal to be placed in ex situ changed How does the painkiller affect the animal? ii. Why is it important to keep genetic material varied?
4 of 7
Question 5.
What kind of sugar is it? What kind of backbone does DNA have? How do the bases bond? What is a purine or pyrimidine?
5 of 7
Question 6.
What happens when you increase enzyme/substrate? concentration? Why does this happen? How does this relate to the active site? What is a competitive inhibitor? What does it do? What graph could you draw?
6 of 7
Question 7.
What kind of fat is detrimental in the diet? Where do you get it from? What sort of diseases are caused by obesity? What is atherosclerosis? How can that cause problems?
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What kind of immune response is it? What allows B cells to specialise to act against a certain pathogen? What kind of selection is this? What happens to the B cells afterwards, and what do the B cells secrete?

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