Which of the following substances contributes to the edema associated with inflammation?
A. leukotrienes
B. histamine
C. interferon
D. defensin
E. both leukotrienes and histamine
Answer: E
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Which term refers to a normal gene that when mutated causes a cell to become cancerous?
a. Proto-oncogene b. Carcinogen c. Suppressor gene d. Diploid germ cell
F. F. Blackman performed experiments to investigate the effects of various factors on photosynthesis. In one of his experiments, Blackman found that if light intensity was low, photosynthesis could be accelerated by increasing the amount of light, but not by increasing the temperature or carbon dioxide concentration. What can you conclude from this specific experiment?
A. Carbon dioxide is important for photosynthesis B. High temperatures are important for photosynthesis C. Photosynthesis generates oxygen D. Light is important for photosynthesis
A recessive allele on the X chromosome is responsible for red-green color blindness in humans. A woman with normal vision whose father is color blind marries a color-blind male
What is the probability that this couple's first son will be color blind? A) 1/4 B) 1/2 C) 2/3 D) 3/4
In eukaryotes, mitochondria are the organelles primarily involved in?
What will be an ideal response?