RNA is a ______________
a. polymer
b. monomer
c. none of the above
a
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When Calvin injected 14C labeled CO2 into cultures of green algae, what led him to conclude that rubisco adds CO2 to ribulose bisphosphate in the Calvin cycle?
A. Radioactivity appeared last in ribulose bisphosphate. B. Radioactivity first appeared in glucose. C. Radioactivity first appeared in ribulose bisphosphate. D. Radioactivity appeared last in glucose. E. Radioactivity first appeared in 3-phosphoglycerate. F. Radioactivity appeared last in 3-phosphoglycerate
All of the following are features representing blastula except
A. each cell is in contact with a different set of neighboring cells. B. some blastomeres are larger than the others and thus not equivalent. C. differentiation into notochord and the hollow nerve chord takes place. D. different blastomeres receive different components of the egg cytoplasm. E. some blastomeres may divide slower than others depending on the amount of yolk.
Susie is not color-blind, but she transmitted a color-blindness gene to her son. She is said to be a _______ of the color blindness gene.
Fill in the blank(s) with the appropriate word(s).
What do you know about selection?How does it relate to the question?
What will be an ideal response?