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
A: production of proteases
B: production of capsules
C: manage to live inside host cells
D: all of above
E: b and c only
举一反三
- 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.
- Viruses can reproduce on their own and destroy host cells while bacteria cannot.
- Production points inside the production possibilities frontie A: are unattainable. B: are attainable only with the full utilization of all resources. C: are associated with unused or misallocated resources. D: esult in more rapid growth.
- Offshore production refers to FDI undertaken to serve the host market. ( ）
- Offshore production refers to FDI undertaken to serve the host market. A: 正确 B: 错误