Which immunoglobulin isotype CANNOT be produced by memory B cells?
A. IgM
B. IgG1
C. IgA2
D. IgE
E. All of the above can be produced by memory B cells.
A
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When explaining factors that influence the number of receptors present on target cells, the instructor will likely mention: Select all that apply
A) The role antibodies may have on receptor proteins. B) A decreased hormone level may produce increased receptor numbers. C) A sustained excess hormone level brings about a decrease in receptor numbers. D) How any given hormone can change its affinity to supply a need to all cells. E) It may take days to weeks before a hormone can react to target cells.
The particulate in cigarette smoke is ____ times greater than the most heavily polluted air in the world.
A. 5 B. 50 C. 500 D. 5,000 E. 500,000
A distinction can be made between ethics and morals
Indicate whether the statement is true or false.
What common injury listed below would be treated by constructing a protective pad?
A. Hamstring strain B. Lateral ankle sprain C. Knee collateral ligament sprain D. Quadriceps contusion