The RNA polymerase ternary complex includes
a. sigma factor, core enzyme, rho factor, RNA, and DNA.
b. sigma factor, core enzyme, RNA, and DNA.
c. sigma factor, core enzyme, and DNA.
d. sigma factor and core enzyme.
e. core enzyme.
Ans: b
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The supersecondary structure (motif) most likely to contain a heptad (or leucine) repeat would be:
A. a Greek key. B. a ?-?-?. C. a helix-turn-helix. D. a coiled-coil. E. a four-helix bundle.
Amphibians, birds, and mammals look the most similar as
A. embryos. B. adults. C. newborns. D. juveniles. E. fossils.
Body temperature is controlled by a negative feedback control system. The hypothalamus is the ________ for this system
Fill in the blank(s) with correct word
Cerebrospinal fluid circulates in the ________ to deliver nutrients to the brain and spinal cord
A) dura mater B) arachnoid villi C) cranial sinuses D) subarachnoid space E) pia mater