Cancer cells destroy not only all rival cells, in their ruthless biological warfare, but also destroy the larger organization—the body itself—signing their own suicide warrant.
A: refined
B: random
C: merciless
D: perpetual
A: refined
B: random
C: merciless
D: perpetual
举一反三
- Viruses can reproduce on their own and destroy host cells while bacteria cannot.
- 中国大学MOOC: White blood cells patrol the body searching for potential sources of infection and destroy invading pathogens, such as ________, ________, ________, and ________.
- White blood cells patrol the body searching for potential sources of infection and destroy invading pathogens, such as ________, ________, ________, and ________. A: viruses B: bacteria C: fungi D: parasitic microorganisms
- Which of the following is NOT included in the process of defense identification A: Cancer cells destroy different carbohydrates of the body. B: People feel the things that are not of themselves. C: People make immune responses to those cancer antigens. D: Antibody response is detected by the blood test.
- which cell can only exit in small intestine: A: endocrine cells B: stem cells C: goblet cells D: Paneth cells E: absorptive cells