Question
Following each cell cycle, telomeresa. get longer.b. get shorter.c. return to the same length.d. bind to cyclin proteins.
Step 1
This is because DNA replication is not able to fully replicate the ends of linear chromosomes, leading to the gradual loss of telomeric DNA with each cell division. Show more…
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All of the following are correct about telomeres EXCEPT (A) they are created by the enzyme telomerase (B) they protect the ends of chromosomes (C) the more divisions a cell undergoes, the shorter the telomeres (D) they consist of nonsense nucleotide sequences (E) they assist in the synthesis of proteins
SAMPLE TEST
Biology E/M Sample Test 1
Telomerase: a. is active in many cancer cells. b. is more active in adult than embryonic cells. c. complexes with the ribosome to form telomeres. d. acts on unique genes called telomeres. e. shortens the ends of chromosomes.
Growth factors lead to a. increased cell division. b. the functioning of cyclin proteins. c. progression through the cell cycle. d. All of these are correct.
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