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Genetics

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Set 17 Control Of Gene Expression In Eukaryotes

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Question 1

(Multiple Choice)

Free
In Arabidopsis, FLD (a deacetylase enzyme) stimulates flowering. Which of the following statements is TRUE?

A) FLD deacetylates histones that bind to regions of the FLC gene and stimulates its transcription.
B) FLD deacetylates histones surrounding the FLD gene, causing suppression of FLD transcription.
C) FLD deacetylates histones that bind to the FLC gene, causing repression of FLC transcription.
D) FLD causes repression of FLC translation.

Answer

Question 2

(Multiple Choice)

Free
Proteins that affect the structure of DNA bound to histones without altering histone chemical structure are called:

A) RISCs.
B) chromatin-remodeling complexes.
C) splicing complexes.
D) MRE activator proteins.
E) dicers.

Answer

Question 3

(Essay)

Free
In both prokaryotes and eukaryotes, groups of genes can be regulated simultaneously (coordinately expressed). However, each group accomplishes this task differently. Explain how coordinate expression differs in prokaryotes compared with eukaryotes.

Answer

In prokaryotes, coordinate gene expressi...

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