Question 1 Which of the following statements is the best definition of a telomer
ID: 220825 • Letter: Q
Question
Question 1
Which of the following statements is the best definition of a telomerase?
Telomerase is an enzyme that cleaves introns and exons.
Telomerase is an enzyme that helps separate DNA strands.
Telomerase is an enzyme that helps proofread and correct newly synthesized DNA.
Telomerase is an enzyme that helps solve the "end replication problem."
Question 2
Enhancer sequences for transcription activation in eukaryotes can exert effects from a great distance of the transcription target by forming loops or changing DNA structural elements.
True
False
Question 3
Eukaryotes are able to express different proteins over time or at certain points in the life cycle by using _____.
siRNAs
riboswitches
mediators
silencers
Telomerase is an enzyme that cleaves introns and exons.
Telomerase is an enzyme that helps separate DNA strands.
Explanation / Answer
Ans 1 d telomerase is an enzyme that helps solve the end replication problem
It attaches itself to 3' end of the DNA strand and adds nucleotides to the strand so that DNA polymerase can elongate its complementary 5' end.
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