Select the molecule that contains the most stored chemical energy:a
ethyl alcohol.
b. water.
c. carbon dioxide.
d. lactate.
e. oxygen.
D
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When a diploid cell divides by mitosis, the result is __________
A) identical haploid cells B) identical diploid cells C) unique diploid cells D) unique haploid cells E) a zygote.
Hammerhead sharks are part of this class of fish
A) osteichthyes B) cartilaginous C) agnatha D) sharkailnous
A type of lymphocyte called a(n) ________ detects cells with abnormal surface proteins and kills them
A) eosinophil B) NK cell C) neutrophil D) basophil E) mast cell
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 increased. B. Chromatin will become more tightly compact, and gene expression will be reduced. C. Chromatin will become more methylated, and gene expression will be decreased. D. Chromatin will become more open, and gene expression will be increased. E. Chromatin will become more open, and gene expression will be reduced.