The smooth ER is the primary site for the synthesis of phospholipids and cholesterol needed to make ____
a. DNA
b. ATP
c. ribosomes
d. hormones
e. cell membranes
e
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Most of the genetic diversity on earth resides in viral genomes
Indicate whether the statement is true or false.
In cellular respiration, glucose is _____ to CO2 and oxygen is _____ to water
A. oxidized; reduced B. reduced; oxidized C. deoxygenated; phosphorylated D. phosphorylated; deoxygenated E. oxidized; oxidized
You leave for winter vacation and forget to water your plants for two whole weeks! You also turned down the heat and closed the blinds. What hormone is most likely to be produced in response to these conditions?
A. Gibberellins. B. Abscisic acid. C. Cytokinins. D. Auxins.
A nucleotide is made of which of the following chemical components?
a. a nitrogenous base, an amino acid, and a pentose sugar b. a nitrogenous base, an amino acid, and a phosphate group c. a nitrogenous base, a phosphate group and a pentose sugar d. a nitrogenous base, a fatty acid, and an amino acid e. a series of nitrogenous bases, a nucleic acid backbone