Transformed cells contain
a. transformants.
b. new genes.
c. bacteria.
d. none of these choices.
a
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If a mutation rendered the signal recognition particle nonfunctional, what would be the most obvious effect on the cell?
A. Translation would not be completed for most proteins. B. All proteins normally secreted by the cell would remain partially formed and attached to the endoplasmic reticulum. C. Proteins destined for the nucleus would remain in the cytosol. D. No proteins would arrive at their proper destinations within the cell. E. All proteins normally secreted by the cell would remain in the cytosol.
What happens when action potentials stimulate a muscle at a rate that does not allow relaxation between contractions?
A. The strength of contraction decreases with subsequent stimuli. B. The strength of contraction increases with subsequent stimuli. C. The strength of contraction does not change. D. More motor units are recruited.
Which of the following is likely NOT a common feature shared among all living organisms?
A. All living organisms use energy. B. All living organisms maintain organization. C. All living organisms have evolved over the course of many generations. D. All living organisms maintain some level of homeostasis. E. All living organisms are composed of similar structures.
Which of the following families of DNA viruses is the most prevalent in humans?
A) Poxviridae B) Herpesviridae C) Adenoviridae D) Polyomaviridae E) Rhinoviridae