The
major role of the complement system is to work in conjunction with:
A: antibodies to lyse cells via the C8 and C9 components
B: the
major histocompatibility complex for cell recognition
C: antibodies to opsonize cells
D: the
T-cell receptor for production of lymphokines
E: antibodies to lyse cells via the perforin molecules
major role of the complement system is to work in conjunction with:
A: antibodies to lyse cells via the C8 and C9 components
B: the
major histocompatibility complex for cell recognition
C: antibodies to opsonize cells
D: the
T-cell receptor for production of lymphokines
E: antibodies to lyse cells via the perforin molecules
举一反三
- Antibodies are made by a class of white blood cells called ___ lymphocytes.
- Communication between cells is mediated by cell signaling molecules and ( ). A: Cell receptor B: Antibody C: Enzyme D: Electric signal
- In<br/>central nerve fibers, the sheath cell is() A: Astrocytes B: Oligodendrocytes C: Satellite cells D: Ependymal cells E: Schwann cells
- In<br/>peripheral nerve fibers, the sheath cell is () A: Astrocytes B: Oligodendrocytes C: Satellite cells D: Ependymal cells E: Schwann cells
- food is to nourish as () A: organ is to secrete B: fluids is to circulate C: cells is to degenerate D: antibodies is to protect E: fats is to saturate