Which population of organisms would be in the greatest danger of becoming extinct?
a) a population of organisms having few variations living in an unstable environment
b) a population of organisms having many variations living in an unstable environment
c) a population of organisms having few variations living in a stable environment
d) a population of organisms having many variations living in a stable environment
Answer: a) a population of organisms having few variations living in an unstable environment
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The accompanying figure represents which chromosomal change?
a. inversion b. deletion c. duplication d. translocation e. aneuploidy
Which term best describes a human being?
a. omnivore. b. herbivore. c. carnivore. d. parasite.
Which of the following is not a category of antimicrobial drugs?
A) Those that inhibit cell wall synthesis B) Those that inhibit DNA and RNA structure and function C) Those that inhibit protein synthesis D) Those that interfere with cell membrane structure and function E) Those that inhibit mRNA processing in the nucleus
Glucose dissolves in water because it ____.?
a. ionizes.
b. is a polysaccharide.
c. is a polar and forms many hydrogen bonds with water molecules.
d. has a very reactive primary structure.
e. is an isotope