Fish can exhibit behaviors that are directed to
a. members of the same species.
b. members of different species.
c. nonliving constituents of the environment.
d. all of these choices.
d
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What bridges the gap between a sending and a receiving neuron?
a. threshold value b. action potential c. transmitter substance d. neurohormone e. neuromodulator
Which statement about genomics is false?
A) The first complete genome to be sequenced was a prokaryote. B) Whole sets of genes and their interactions are studied in the field of genomics. C) Genes from different species that have analogous sequences suggest similar function. D) DNA technology limits genomic studies to prokaryotes.
DNA chips are used
a. to sequence DNA. b. in DNA fingerprinting. c. to determine which genes are silent or are being expressed. d. in PCR. e. for all of these.
A toxic substance has been found to inhibit glucose transport into mammalian cells. If this substance is administered
to a hamster, the likely cause of death would be a lack of ____ production.
a. NAD+ b. ATP c. GTP d. CO2 e. FAD