Histone deacetylase inhibitors are a class of drugs used as mood stabilizers and anti-epileptics that are also being researched for their efficacy as anti-cancer agents. Histone deacetylase inhibitors block the action of histone deacetylases, which remove acetyl groups from lysine residues in histone tails. How will blocking histone deacetylases affect gene expression in the cell?
A. Chromatin will become more tightly compact, and gene expression will be reduced.
B. Chromatin will become more tightly compact, and gene expression will be increased.
C. Chromatin will become more open, and gene expression will be reduced.
D. Chromatin will become more open, and gene expression will be increased.
E. Chromatin will become more methylated, and gene expression will be decreased.
D. Chromatin will become more open, and gene expression will be increased.
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When one gene is able to modify the effect of a second gene, the phenomenon is known as:
A. simple dominance B. epistasis C. recessiveness D. independent assortment E. segregation
Bile is stored and released by the ____
a. pancreas b. gallbladder c. liver d. duodenum e. stomach
There are three dietary monosaccharides. Glucose is one- what are the other two?
a) fat and cholesterol b) lactic acid and ethyl alcohol c) fructose and sucrose d) NADH and FADH2
The _____ is often seen as the lender of last resort
a) world bank b) international monetary fund c) international development association d) world trade organization