Which cell characteristic is associated with skeletal muscle?
a. involuntary
b. no striations
c. can contract without neural stimulation
d. multinucleated
e. gap junctions allow coordinated contractions
ANSWER: d
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Which is TRUE about amphipathic molecules when placed in an aqueous solution?
A. The interior portion is composed of hydrophilic hydrocarbon chains. B. The outside portion is composed of hydrophilic head groups. C. The interior portion is composed of hydrophobic hydrocarbon chains. D. The interior portion of the micelle is composed of hydrophilic hydrocarbon chains and the outside portion of hydrophilic head groups. E. The interior portion is composed of hydrophobic hydrocarbon chains and the outside portion of hydrophilic head groups.
The Indo-Pacific coral reefs have about ____ species of true corals to ____ in the Atlantic
a. 100 to 35 b. 500 to 62 c. 350 to 25 d. 62 to 500 e. 1000 to 62
The best defense against arboviruses is ________.
A. vaccination B. prophylactic rifampin C. prompt treatment with acyclovir D. vector control
Within which structure in the human body does specialization of parts of the developing baby take place?
A. ovary B. uterus C. testis D. pancreas