The exchange of gases between an organism and its environment is known as:
a. exhalation.
b. aeration.
c. inhalation.
d. respiration.
e. ventilation.
d
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In the 1990s, the ______________ paved the way to successful whole-genome shotgun sequencing
A. availability of physical genome maps B. integration of cloud computing C. improvement in computer hardware and software D. discovery of reverse transcriptase E. utilization of ribozymes
An atom is in its most stable state when
a. the number of electrons equals the number of protons. b. the number of neutrons equals the number of protons plus number of electrons. c. there are electron vacancies in the inner most shell. d. there are no electron vacancies in the outer shell. e. more than one of these is possible
Insects that lay their eggs in and whose larvae
subsequently feed on the soft tissues of the host are a. typical parasites. b. commensals. c. parasitoids. d. predators. e. cannibalistic.
Which of the following statements best reflects the nature of synaptic plasticity?
(a) New synapses are created due to the postnatal generation of neurons. (b) Synaptic response changes in magnitude depending on frequency of stimulation. (c) There is a change in the type of neurotransmitter used at the synapse. (d) Neuronal connections are pruned during normal development.