After meiosis I in males, ________ are formed.
Blocking the CD8 coreceptor would cause
A.decreased activation of macrophages.
B.decreased activation of helper T lymphocytes.
C.decreased activation of cytotoxic T cells.
D.decreased activation of the target cells.
Neurotransmitter release would be inhibited by
A. stimulating repolarization of the axon terminal.
B. blocking Ca2+ influx in the axon terminal.
C. blocking repolarization of the axon terminal.
D. stimulating protein kinase activity.