CAIE A-Level Biology AS 5.1.4 Telomeres Questions
Explain telomere structure and function and relate telomere shortening to cell division and cellular ageing.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain the structure and role of telomeres and relate telomere shortening to cell division and ageing.
CAIE A-Level Biology AS 5.1.4 Telomeres Questions question 1
[Maximum number: 1]
Telomerase is an enzyme that adds nucleotides to telomeres.
Which statement about telomerase is correct?
A
A high concentration of telomerase in a cell damages genes during DNA replication.
B
A high concentration of telomerase in cancerous cells limits the rate of tumour growth.
C
The low concentration of telomerase in stem cells means that these cells can divide an unlimited number of times.
D
The low concentration of telomerase in body cells means that these cells can divide a limited number of times.
D
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