Which of the following bacterial RNA polymerase subunits is found in the holoenzyme, but not the core enzyme?
A) ? (sigma)
B) ? (omega)
C) ? (beta)
D) ?? (beta prime)
E) ? (alpha)
Answer: A
You might also like to view...
MacConkey agar and eosin-methylene blue (EMB) agar are ________ media
A) selective but not differential B) differential but not selective C) both selective and differential D) neither selective nor differential
In the life cycle of the black bread mold Rhizopus stolonifer, ________
a. spores germinate into mycelia, which give rise to almost microscopic black mushrooms b. reproduction is exclusively asexual c. germinating diploid zygospores go on to produce haploid spores d. different mating strains may fuse to form a haploid zygospore
__________ and __________ fluid are the main components of extracellular fluid. Fill in the blank(s) with the appropriate word(s)
Anaphase of mitosis occurs when:
a) the chromatids begin to separate from the metaphase plate. b) the chromosomes line up on the 'equator'of the cell. c) the cell enters interphase. d) the chromatin coils into thicker, visible chromatids. e) the nuclear envelope first breaks down.