To begin transcription, eukaryotic RNA polymerase recognizes nucleotide sequences in what region of the DNA?
a. promoter region
b. initiator region
c. replication origin
d. terminator region
e. G-C-rich region
Ans: a. promoter region
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What will be an ideal response?
The stroma is ________.
a) a collection of pigment and protein molecules that absorbs solar energy b) the central, semi-fluid compartment of the chloroplast c) the innermost portion of the mitochondria d) the portion of the enzyme to which the activator molecule binds
Fertilization of an ovum normally occurs in the
A. uterus. B. ovary. C. oviduct. D. vagina. E. cervix.