The innate mechanisms of host immunity play a role in the defense of the body only after specific defense mechanisms have failed to defend the body.
举一反三
- Mechanisms that bacteria use to evade host defense include A: production of proteases B: production of capsules C: manage to live inside host cells D: all of above E: b and c only
- The defense mechanisms people use to counter against often turn out to be helpful.
- Transferrin plays a role in host defense by
- The innate _____ system is a universal and ancient form of host<br/>defense against infection.() A: sensitive B: horizontal C: optimal D: immune
- SOD is one of the body’s primary defense mechanisms against oxidative stress. The enzyme catalyzes which one of the following reactions A: O2− + e− + 2H+ → H2O2 B: 2O2− + 2H+ → H2O2 + O2 C: O2− + HO• + H+ → CO2 + H2O D: H2O2 + O2 → 4H2O E: O2− + H2O2 + H+ → 2H2O + O2