Question

3. a) The haemoglobin molecule is designed to transport oxygen around the body. With reference to the different levels of organization of polypeptides explain how this molecule achieves its function. [5 marks] b) Both starch and cellulose are polymers made up of glucose molecules. They are found in plants but serve different functions in the plant. In no more than 200 words: i) identify the function of starch and cellulose in plants. ii) explain how glucose is able to form these compounds. iii) relate the structures you have described above to their function(s). [7 marks]

          3. a) The haemoglobin molecule is designed to transport oxygen around the body.
With reference to the different levels of organization of polypeptides explain how this molecule
achieves its function.
[5 marks]
b) Both starch and cellulose are polymers made up of glucose molecules. They are found in plants
but serve different functions in the plant.
In no more than 200 words:
i) identify the function of starch and cellulose in plants.
ii) explain how glucose is able to form these compounds.
iii) relate the structures you have described above to their function(s).
[7 marks]

3. a) The haemoglobin molecule is designed to transport oxygen around the body.
With reference to the different levels of organization of polypeptides explain how this molecule
achieves its function.
[5 marks]
b) Both starch and cellulose are polymers made up of glucose molecules. They are found in plants
but serve different functions in the plant.
In no more than 200 words:
i) identify the function of starch and cellulose in plants.
ii) explain how glucose is able to form these compounds.
iii) relate the structures you have described above to their function(s).
[7 marks]

Added by Michael T.

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