Which of the following can function as intracellular signaling molecules?
A) acylated homoserine lactones
B) hydrophilic lipids
C) quinones
D) proteorhodopsins
Answer: A
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The plant hormones ____ appear to regulate the expression of genes associated with a plant's growth responses to
light.
a. salicylic acid b. brassinosteroids c. gibberellins d. jasmonates e. oligosaccharins
The process by which species cease to exist
A. All of the answer choices are correct. B. is endangerment. C. is speciation. D. is extinction. E. has never occurred.
Most genetic counselors
A. have an M.D. and/or Ph.D. degree. B. are individuals who have previously sought counseling themselves. C. are trained in biology and psychology, but are unfamiliar with lab and clinical procedures. D. work in individual private counseling offices. E. have none of these traits.
Inflammatory responses typically include _____
A) increased activity of phagocytes in an inflamed area B) reduced permeability of blood vessels to conserve plasma C) release of substances to decrease the blood supply to an inflamed area D) inhibiting the release of white blood cells from bone marrow