Download 6.1-The-Cell-Cycle-Exam-Question

6.1 The Cell Cycle Exam Question
1.
Mitosis is part of the cell cycle.
The figure below shows a diagram of the cell cycle.
INTERPHASE
G1
(i)
ito
sis
G2
M
C
sis
ine
k
yto
S
Name one process that occurs during stages G1 and G2.
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[1]
(ii)
During stage S, the genetic information is copied and checked.
Suggest what might happen if the genetic information is not checked.
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[2]
[Total 3 marks]
1.
(i)
growth of cell / growth of organelles / increase number of organelles
/ synthesis of proteins;
DO NOT ACCEPT ‘growth’ unqualified
DO NOT ACCEPT refs to DNA replication
IGNORE ref. to respiration
ACCEPT named steps in protein synthesis
1
(ii)
mutation / faulty DNA produced / error in copying;
daughter cells will not receive identical genetic information;
proteins / (daughter) cells, not made / do not function;
ACCEPT ‘daughter cells will not be clones’
ACCEPT ‘proteins / daughter cells function differently’
2
[3]