Telomerase is an enzyme that adds nucleotides to telomeres.
Which statement about telomerase is correct?
1 )
A high concentration of telomerase in a cell damages genes during DNA replication.
2 )
A high concentration of telomerase in cancerous cells limits the rate of tumour growth.
3 )
The low concentration of telomerase in stem cells means that these cells can divide an unlimited number of times.
The low concentration of telomerase in body cells means that these cells can divide a limited number of times.
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