Action potentials traveling down the plasma membrane of a muscle fiber will next reach the _____ after leaving the T
tubules.
a. mitochondria
b. neuromuscular junction
c. cytoskeletal system
d. sarcoplasmic reticulum
e. endomembrane system
ANSWER: d
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_____ can cause mutations
a. Replication errors b. Transposons c. Ionizing radiation d. Non ionizing radiation e. Transposons and ionizing radiation f. all of these
A patient with a problem of diffusing water and dissolved substances between the blood and interstitial fluid might have an underlying issue in their
A. arteries. B. veins. C. lymph vessels. D. capillaries. E. sieve tubes.
The tailbone of humans is an example of a(n) ____
a. developing feature b. accidental feature c. vestigial feature d. great chain of being e. fossil structure
It is quite common to ingest trace amounts of aflatoxins when one eats
a) fruit. b) meat. c) peanuts. d) cheese.