Which of the following terms is synonymous with restriction point?
a. G2 checkpoint
b. G1 checkpoint
c. G0 checkpoint
d. S checkpoint
Answer: b. G1 checkpoint
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In the context of ribosomes, the Svedberg value 60S most likely represents:
A. an intact bacterial ribosome. B. an intact eukaryotic ribosome. C. a large bacterial ribosomal subunit. D. a large eukaryotic ribosomal subunit. E. a small eukaryotic ribosomal subunit.
The cells that carry signals to muscles and glands are the
a. sensory neurons. b. neuroglia. c. dendrites only. d. motor neurons. e. axons only.
Recent studies of gene function as it relates to reproductive development suggest that angiosperms
evolved most directly from:a. cycads. b. lycopods. c. gnetophytes. d. ginkgos. e. conifers
In plants like the fern, haploid cells produced by meiosis divide by ________, forming a multicellular haploid phase.
A. budding B. mitosis C. meiosis D. binary fission