Peter Mitchell demonstrated ATP production by aerobic bacteria by placing the bacteria in:
a. an acidic environment.
b. a basic environment.
c. an aqueous environment.
d. a buffered environment.
e. a nonpolar environment
A
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Which of the following are not used by protists for protection against predators?
A. protective coverings that are hard, tough, or slimy B. toxins C. gamma radiation D. shooting sharp projectiles E. spines
Which of the following is incorrectly paired?
a. Giardia lamblia—eukaryotic protozoan b. ringworm—eukaryotic animal c. influenza—virus d. cholera—bacterium
Research into the genetics of invertebrates
a. is mostly complete, and is considered by most biologists to be a field of the past. b. holds the promise to address many important basic and applied research questions that could have profound positive effects on human health. c. should be largely abandoned in favor of research into the genetics of vertebrates, since findings in invertebrates have little chance of making a difference for humans. d. is at an early stage, as genetic research in the past has almost exclusively been centered on vertebrate animals and bacteria. e. has led biologists to largely abandon hope of understanding animal development due to the complexity of developmental processes.
Match the interaction or bond on the left with the phrase that best describes it on the right
A) electrostatic interactions B) transient interactions at very close range C) sharing of electrons D) association of nonpolar groups E) noncovalent attraction among water molecules 1) hydrogen bond 2) ionic bonds 3) van der Waals interactions 4) hydrophobic interaction 5) covalent bonding