A nucleotide consists of

A.) a sugar, a protein, and adenine.
B.) a sugar, an amino acid, and starch.
C.) a sugar, a phosphate group, and a nitrogen base.
D.) a starch, a phosphate group, and a nitrogen base.


Answer: C.) a sugar, a phosphate group, and a nitrogen base.

Biology & Microbiology

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Amnesia is common after surgery due to the drugs used to anesthetize the patient. Which brain region is most affected

by these drugs to cause this symptom?

a. brain stem b. Broca's area c. limbic association cortex d. prefrontal association cortex e. parietal-tempora-occipital association cortex

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NADH transfers electrons to oxygen through which process?

a. glycolysis b. acetyl CoA formation c. the Krebs cycle d. electron transfer phosphorylation e. substrate-level phosphorylation

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A(n) exponential growth curve levels off at the carrying capacity

____________________ Indicate whether the statement is true or false.

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The human brain contains:

A) 100 to 150 billion circuits B) 100 to 150 billion neurons C) 100 to 150 million neurons D) 100 to 150 million glial cells

Biology & Microbiology