You are performing an experiment to assay phosphorylation of a substrate by a protein kinase. Based on the data in the table below, what do these experimental results suggest?
A. GTP is not required for phosphorylation.
B. The substrate can undergo autophosphorylation.
C. The substrate is not required for phosphorylation.
D. The protein kinase is required for phosphorylation.
B. The substrate can undergo autophosphorylation.
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In some families, members inherit a mutant allele that causes a(n) ____________________ to cancer
Fill in the blank(s) with correct word
Movement of IAA in a shoot tip is as follows: ____
a. IAA initially moves downward from the shoot tip via polar transport. b. IAA initially moves laterally from the shaded to illuminated side of the shoot tip. c. IAA initially moves laterally from the illuminated to shaded side of the shoot tip. d. IAA initially moves laterally in the shoot tip via non-polar transport. e. IAA moves from root tips upwards towards leaves.
The C4 pathway ____
a. produces large amounts of carbohydrates b. is less efficient than the C3 pathway c. is the mechanism of photorespiration d. involves the activity of rubisco e. fixes carbon twice
The structural and functional unit of nervous tissue is the
A) dendrite. B) axon. C) neuron. D) nerve.