A nucleotide is made of a
A) phosphate, sugar, and nitrogenous base. B) phospholipid, sugar, and protein.
C) phosphate, protein, and nitrogenous base. D) phospholipid, sugar, and nitrogenous base.
A
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An action potential is propagated down an unmyelinated neuron plasma membrane because
a. the action potential stimulates voltage-gated Na+ channels adjacent to it. b. the action potential stimulates voltage-gated Ca2+ channels adjacent to it. c. the action potential stimulates voltage-gated K+ channels adjacent to it. d. the action potential stimulates voltage-gated Na+ and Ca2+ channels adjacent to it. e. the action potential stimulates voltage-gated k+ and Ca2+ channels adjacent to it.
autotroph (plants, bacteria, algae)
What will be an ideal response?
Which of the following kinds of protozoa are major consumers of Bacteria and other microorganisms in the ocean?
A. Apicomplexa B. Foranimifera C. Dinoflagellates D. Thermophiles
In eukaryotic cells, Translation occurs in the nucleus and Transcription occurs in the cytoplasm.
a. true b. false