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
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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.
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
What is a "building block" of carbohydrates?
a. glycerol b. nucleotide c. amino acid d. fatty acid e. monosaccharide
Which type of plant hormone is structurally similar to adenine?
a. brassinosteroid b. abscisic acid c. ethylene d. cytokinin e. systemin