The Alternative and Classical complement pathways differ in that ONLY the Alternative
pathway ____.
A: uses the breakdown products of C3 and C5 as signals to activate other elements of
the immune system
B: begins with the stabilization of the natural breakdown product of C3
C: attaches proteins to the surface of pathogen that promote phagocytosis
D: constructs a pore with variable number of C9 molecules
E: results in the breakdown of C2 and C4
pathway ____.
A: uses the breakdown products of C3 and C5 as signals to activate other elements of
the immune system
B: begins with the stabilization of the natural breakdown product of C3
C: attaches proteins to the surface of pathogen that promote phagocytosis
D: constructs a pore with variable number of C9 molecules
E: results in the breakdown of C2 and C4
举一反三
- The C5 convertase made up of C3bBbC3b is used by the ______ complement pathway(s) <br/>and the C5 convertase made up of C4b2a3b is used by the pathway(s). A: classical; alternative and lectin B: classical and alternative; lectin C: alternative and lectin; classical D: alternative and classical; lectin E: alternative; classical and lectin
- 补体经典途径的激活顺序是（） A: C3→C5→C9 B: C1→C2→C4→C3→C5→C9 C: C1→C4→C2→C3→C5→C9 D: C1→C2→C3→C4→C4→C9 E: C1→C3→C2→C4→C5→C9
- Two<br/>breakdown mechanisms in a bipolar transistor are ( ). A: punch-through. B: reverse<br/>breakdown C: avalanche<br/>breakdown D: near<br/>avalanche breakdown
- (1分) 单选题<br/>1<br/>经典激活途径中,补体成分激活顺序是 A: C1→C2→C3→C4→C5~9 B: C3→C4→C2→C1-C5~9 C: C2→C4→C3→C1→C5~9 D: C1→C4→C2→C3→C5~9 E: C4→C2→C1→C3→C5~ 9
- 补体经典途径的激活顺序为( )。 A: C1—C2～C9 B: C1—C4—C2—C3—C5～C9 C: C1—C2—C4—C3—C5～C9 D: C1—C4—C3—C2—C5～C9 E: C3—C5～C9