What exactly does transfer RNA (tRNA) transfer?
A) amino acids to the RNA polymerase during transcription
B) carbohydrates throughout the cytoplasm during transcription
C) nucleotides that are to be added to a growing polypeptide chain
D) the two ribosomal subunits to the start sequence and initiates the start of translation
E) amino acids to the ribosome during translation
E) amino acids to the ribosome during translation
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Define Mendel's law of independent assortment.
A. There are two versions of each trait, a dominant and a recessive; the one you get is random. B. The inheritance of one character has no effect on the inheritance of another character. C. Segregation of homologous chromosomes is random. D. The expression of one gene has no effect on the expression of another gene.
Plants open their stomata to obtain
a. carbon dioxide from air. b. oxygen from air. c. sugar from the roots. d. water from air
Vesicles from the Golgi body that will become lysosomes contain enzymes for ____
a. aerobic respiration b. photosynthesis c. breaking down cellular debris d. protein synthesis e. digesting amino acids and fatty acids
CAM plants conserve water by ________
A) opening their stomata only at night B) incorporating CO2 into RuBP C) keeping their stomata closed at night D) running the Calvin cycle at night