Question 1 Which of the following statements is the best def

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

Solution

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.