The ________ is a factor-independent termination site found in the leader region of certain operons, which, under the influence of ribosome behavior, controls the continued transcription of that operon.
A. terminator
B. operator
C. attenuator
D. modulator
Answer: C
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The part of the male reproductive system where sperm mature is known as the ____
a. epididymis b. bulbourethral gland c. testis d. seminal vesicle e. ejaculatory duct
A life-threatening result of taking Ecstacy can
be
a. excessive fluid volume. b. increased body temperatures. c. organ system shut-down. d. internal bleeding. e. all of these
Mesophyll cells are:a
arranged tightly together. b. separated by intercellular spaces. c. responsible for the opening and closing of stomata. d. devoid of chloroplasts. e. covered by a waxy cuticle, which they secrete.
What happens to the packaged DNA of a specialized transduced phage when it infects a new recipient cell?
a. The DNA is chewed up by enzymes found in the recipient cell. b. The host DNA integrates, with the prophage, into the new recipient chromosome. c. The DNA begins to replicate without integrating into the host chromosome.