A basic difference between a prokaryotic cell and a eukaryotic cell is that the prokaryotic cell

A) is structurally more complex.
B) lacks DNA.
C) lacks a nucleus.
D) is considerably larger.
E) possesses membrane-bound organelles.


C

Biology & Microbiology

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The amount of moisture available in foods is designated by the term

A. fluid availability. B. water activity. C. dampness quotient. D. aqueous usability.

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Which of the following techniques involves altering an organism’s DNA by inserting a gene

from a different organism?

a. DNA profiling b. genetic engineering c. therapeutic cloning d. DNA fingerprinting

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What is a "building block" of carbohydrates?

a. glycerol b. nucleotide c. amino acid d. fatty acid e. monosaccharide

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Which type of plant hormone is structurally similar to adenine?

a. brassinosteroid b. abscisic acid c. ethylene d. cytokinin e. systemin

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