Quelpr
3 marksAspects of Biochemistry

CAPE Biology Unit 1 · 2008 · Paper 2 · Question 4(a)

By means of a diagram, show the molecular structure of sucrose. Show the position of the oxygen and all other groups, EXCEPT for the H,OH groups on the No. 2, 3 and 4 carbons of glucose, and the 1, 3 and 4 carbons of fructose.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(b)(i)Relate the structure of the water molecule to its solvent properties.[4 marks]
  2. 4(b)(ii)Relate the structure of the water molecule to its high surface tension.[4 marks]
  3. 4(c)(i)Explain the mode of enzyme action according to the 'lock and key hypothesis'.[8 marks]
  4. 4(c)(ii)Comment on differences in the way in which competitive and non-competitive inhibitors affect enzyme activity.[8 marks]

More practice: the rest of this paper · more Aspects of Biochemistry questions · all CAPE Biology Unit 1 past papers