To begin transcription, RNA polymerase must bind to a segment of DNA called the ________.
A. initiation site
B. inducer
C. transcription bubble
D. promoter
E. primer
Answer: D
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For the purposes of conservation, a species is considered __________ in the wild if the only known
members of the species are in captivity. Fill in the blank(s) with the appropriate word(s).
Animals with chemical defenses are also typically:a
fast runners. b. aposematic. c. small in size. d. large in size. e. camouflaged.
Which statement is TRUE?
A) Coenzymes and prosthetic groups both bind tightly to their respective enzymes. B) Prosthetic groups bind tightly to their respective enzymes. C) Coenzymes bind tightly to their respective enzymes. D) Coenzymes and prosthetic groups are technically not bound to their respective enzymes. E) None of the above
Which of these pairs is correctly matched?
A) IgE: typically structured as a pentamer B) IgG: first immunoglobulin produced in a primary immune response C) IgM: readily crosses the placenta to protect the fetus/newborn D) IgA: found in secretions such as colostrum, tears, and mucus