When you cut yourself, the damaged cells immediately release chemical alarm signals, such as
A) interferon.
B) complement.
C) histamine.
D) antihistamine.
Answer: C
You might also like to view...
From an evolutionary standpoint, which of the following organisms would be the most fit?
a. a tree that produces thousands of seeds, of which three grow to sexual maturity b. a bird that produces offspring, of which three survive to reproduce c. an elephant that has a single offspring that nurses for 8 months and reaches sexual maturity in 10 years d. both (a) and (b)
Whose work with fruit flies presented the first clear evidence that the genes determining Mendelian traits reside on chromosomes?
A. Thomas Hunt Morgan B. Gregor Mendel C. Karl Correns D. Walter Sutton
How is natural selection related to sexual reproduction as opposed to asexual reproduction?
A) Sexual reproduction results in many new gene combinations, some of which will lead to differential reproduction. B) Sexual reproduction results in the greatest number of new mutations. C) Sexual reproduction allows the greatest number of offspring to be produced. D) Sexual reproduction utilizes far less energy than asexual reproduction.
A chemical or physical agent that interacts with DNA and causes a mutation
What will be an ideal response?