Cytoskeletal elements are found in
A) bacteria.
B) archaea.
C) eukaryotes.
D) B and C only.
E) A, B, and C.
Answer: E
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Which of the following samples would contain the MOST genetic diversity?
A) viral metagenomes from the ocean B) bacterial metagenomes from the ocean C) microbial eukaryotic metagenomes from the ocean D) viral metagenomes from human red blood cells
Bakers use alcoholic fermentation to produce
__________ which causes the dough to rise. c. alcohol d. ATP c. butyric acid d. carbon dioxide e. none of these
Hydrocarbons are hydrophobic because:a
the covalent bonds between hydrogen and carbon are nonpolar. b. they contain oxygen atoms. c. they exist as isomers. d. the covalent bonds between carbon atoms are polar. e. the hydrogen bonds between hydrogen and carbon are nonpolar.
What enzyme splits a membrane phospholipid into inositol trisphosphate (IP3) and diacylglycerol (DAG)?
a. phospholipase C b. protein kinase C c. adenylyl cyclase d. protein kinase A e. phosphodiesterase