If the DNA sequence is ATG-CGT, the mRNA codons are
a. AUG-CGU.
b. ATG-CGT.
c. UAC-GCA.
d. UAG-CGU.
e. GUA-CGU.
ANSWER: c
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a. when the environmental conditions are favorable. b. during binary fission. c. as a means of genetic recombination. d. in response to adverse conditions. e. to produce two offspring from every one parental cell.
The corpus luteum secretes some ____ and a lot of ____ which readies the uterus for pregnancy
a. luteinizing hormone; follicle stimulating hormone b. follicle stimulating hormone; luteinizing hormone c. GnRH; progesterone d. estrogen; progesterone e. progesterone; estrogen
Which of the following mutants are noninducible?
A) lacIS B) lacI – C) lacI+ D) lacOC E) lacO+
A viral capsid is composed of
A) lipids. B) nucleic acids. C) carbohydrates. D) proteins.