The presence of which of the following indicates a current infection rather than a previous infection or vaccination?
A) IgA
B) IgG
C) IgM
D) IgD
E) IgE
C
You might also like to view...
Aerobic secondary treatment is usually best for ________ wastewater
A) industrial B) agricultural C) residential D) chemical
How does inhibition of an enzyme-catalyzed reaction by a competitive inhibitor differ from inhibition by a noncompetitive inhibitor?
A) Competitive inhibitors interfere with the enzyme; noncompetitive inhibitors interfere with the reactants. B) Competitive inhibitors bind to the enzyme reversibly; noncompetitive inhibitors bind to it irreversibly. C) Competitive inhibitors change the enzyme's tertiary structure; noncompetitive inhibitors cause polypeptide subunits to dissociate. D) Competitive inhibitors bind to the active site of the enzyme; noncompetitive inhibitors bind to a different site.
Because of the abundance of ribosomes, translation is NOT an energy costly process for the cell.
Answer the following statement true (T) or false (F)
What happens when a culture is incubated above the organism's maximum temperature for growth?
a. The cell continues to grow at the normal rate. b. The cells grow much faster than normal because the enzymatic reactions are occurring at a much faster rate. c. The cell membranes collapse, proteins denature, and the cell usually dies. d. The transport of nutrients into the cell is slow; therefore, the cells grow more slowly than normal.