Protein kinases are enzymes that normally catalyze the
A) degradation of cellular proteins.
B) phosphorylation of cellular proteins.
C) formation of peptide bonds in proteins.
D) phosphorylation of ADP.
E) synthesis of kinins.
B
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When two or more separate mutlicellular algae stages occur in succession during the life cycle, we call this:
a. gametangia. b. fragmentation. c. sporangium. d. alternation of generations.
Plants in which the fruit is known as a grain undergo a process during germination that produces amylase. This process is
a. abscission. b. Guttation. c. malting. d. scarification. e. desiccation.
The source of diversity for B and T cell receptors is
a. mitosis. b. meiosis. c. transcript processing. d. random recombination of genes. e. gene transcription.
Which of the following is a mismatched term and description?
A. Secondary infection - infection spreads to several tissue sites B. Acute infection - rapid onset of severe, short-lived symptoms C. Mixed infection - several agents established at infection site D. Local infection - pathogen remains at or near entry site E. Toxemia - pathogen's toxins carried by the blood to target tissues