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Genetics

Study Pack

Set 17 Gene Regulation In Eukaryotes

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Question 1

(Multiple Choice)

Free
Which is true of enhancer DNA sequences? (Select all that apply. )

A)They contain TATA boxes.
B)They only function to increase gene transcription levels above the basal level.
C)They retain function if their nucleotide sequence is moved or inverted.
D)They can be more than 10 kilobases from the genes they regulate.
E)They may bind to more than one transcription factor at the same time.

Answer

Question 2

(Multiple Choice)

Free
Where do mutations that alter the amount of protein synthesized from a reporter construct occur most often?

A)the reporter gene
B)cis-acting DNA elements
C)X-gal coding sequence
D)RNA polymerase II gene
E)None of the choices is correct.

Answer

Question 3

(Multiple Choice)

Free
What is the term for a cis-acting DNA sequence that may function at a distance from the gene they are regulating?

A)promoter
B)terminator
C)enhancer
D)activator
E)transcription factor

Answer