Which of the following delivers amino acids to ribosomes, one by one, in the order specified by a messenger RNA?
A. Transfer RNA
B. Ribosomal RNA
C. RNA polymerase
D. DNA polymerase
E. Gene
Answer: A
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A. prophase II. B. prophase I. C. metaphase II. D. interphase I. E. metaphase I.
In sweet peas, genes C and P are necessary for colored flowers. In the absence of either (__ pp or cc
__) or both (cc pp), the flowers are white. What will be the color of the offspring of the crosses listed below and in what proportions? (a) Cc Pp ? cc pp (b) Cc Pp ? Cc Pp (c) Cc PP ? Cc pp (d) Cc pp ? cc Pp What will be an ideal response?
Horsehair worms, in the phylum Nematomorpha, do not have a respiratory system. They are usually found in puddles of water or on damp sidewalks and patios, or they may come wiggling out of insects
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Both phase-contrast microscopy and differential interference contrast microscopy are used to view the internal structures of cells without staining
Indicate whether the statement is true or false