Your alarm clock goes off once again, and it is 7 a.m. Which of the following events leads you to hit
the snooze button?
a. The number of alpha waves emitted by the brain increases.
b. The number of theta waves emitted by the brain increases.
c. The reticular formation sends stimuli to the cerebral cortex.
d. The cortex of the cerebellum is stimulated.
e. The limbic system is stimulated.
C
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Which of the following is characteristic of animals?
(a) heterotrophy. (b) autotrophy. (c) photosynthesis. (d) both b and c.
In recombinant DNA experiments, ______ is used to cut pieces of DNA, and ______ joins these segments to form recombinant DNA
A. restriction enzyme; DNA ligase B. a transposon; a restriction enzyme C. a plasmid; DNA ligase D. DNA ligase; a restriction enzyme E. DNA ligase; a plasmid
Recent molecular research shows that plant responses to stress involve the same chemical steps as
______ responses to stress.
a. fungal b. amphibian c. algal d. human e. bacterial
The ends of linear chromosomes will become shorter on the _________ strands because the _____ ends can not be extended.
a) leading; 5' b) leading; 3' c) lagging; 5' d) lagging, 3'