Substitution of one base pair for another in a coding region of a gene can result in a ____ mutation
where the changed codon codes for a different amino acid than was previously coded for.
a. missense
b. chromosomal
c. frameshift
d. silent
e. nonsense
A
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The rate of aerobic respiration in plants depends upon the
a. availability of oxygen. b. lifestyle stage. c. temperature. d. all of these
In the process of peristalsis:a
waves of muscular contractions force food down the digestive tract. b. chemical digestion of food takes place in the digestive tract. c. food is discharged from the bodies of unicellular animals. d. digestion occurs intracellularly within food vacuoles. e. digestion of food takes place outside the body of an animal.
What system uses a hierarchical model for classification?
What will be an ideal response?
Which bacterial trait is NOT useful for experiments in evolution?
a. The ancestral organism can be frozen and compared to the evolved descendant. b. Bacterial populations are large and reproduce quickly. c. Selective pressure on bacteria is easily manipulated. d. Some bacteria are naturally transformable.