The main components of the plasma membrane are
A. lipids and ions.
B. ions, lipids, and proteins.
C. proteins, lipids, and carbohydrates.
D. carbohydrates, ions, and lipids.
E. proteins and carbohydrates.
C
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What part of the ear picks up sound waves?
A. Tympanic membrane B. Middle ear: Ossicles C. Inner ear: Cochlea D. External or outer ear: Auricle
In the BioPac activity examining human brain waves, how many electrodes will be used for the EEG?
A) 5 B) 3 C) 1 D) 15
The primitive stem cell of spermatogenesis, which is found on the periphery of each seminiferous tubule, is called a ________
A) spermatogonium B) spermatid C) primary spermatocyte D) secondary spermatocyte E) sperm
Labor begins when the increasing concentration of ________, which stimulate(s) uterine contractions, reaches a point that overrides the effect of ________, which inhibit(s) uterine contractions.
A. relaxin; progesterone B. estrogens; progesterone C. progesterone; estrogens D. relaxin; estrogens