A sequence of three RNA bases can function as a(n)
A) gene only. B) codon or anticodon.
C) codon only. D) anticodon only.
B
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The female hormone that participates in milk production is _____ and the hormone that facilitates delivery is _____
a. prolactin; oxytocin b. prolactin; estrogen c. prolactin; progesterone d. oxytocin; estrogen e. oxytocin; progesterone
Lancelets are:a
carnivores. b. filter feeders. c. parasites. d. herbivores. e. algae feeders
The dominant plants in modern times are the ________ due to their relationship with animal pollinators.
A. angiosperms B. gymnosperms C. club mosses D. ferns
Which of the following is true of microbes?
a. 99% of all microbes are pathogenic. b. All bacterial enzymes are harmful to humans and the environment. c. Gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy. d. Microbes create pollutants and toxins that harm the environment.