If in an acid-base reaction H2SO4 2- donates two H+, one mole of H2SO4 2- would equal how many equivalents?
A) 1
B) 4
C) 0.75
D) 0.5 E) 2
E) 2
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During the alarm phase of the general adaptation syndrome (GAS), there is
A) decreased blood flow to skeletal muscles and skin. B) decreased mental alertness. C) mobilization of energy reserves. D) increased urine release. E) decreased rate of respiration.
The neuromuscular junction
a. is the junction between a motor neuron and a skeletal muscle fiber. b. transmits an action potential between the nerve cell and muscle cell on a one-to-one basis. c. may produce either an EPSP or an IPSP on the motor end plate. d. both (a) and (b) above. e. all of these answers.
Phospholipids are able to form bilayer membranes in aqueous environments because
a. they have hydrophobic heads and hydrophilic tails. b. they have polar heads and nonpolar tails. c. they have polar tails and nonpolar heads. d. the phospho-portion can form phosphodiester bonds between adjacent phospholipids. e. two of these.
The stalk that connects the hypothalamus to the hypophysis (or pituitary gland) is the
A. corpus callosum. B. infundibulum. C. insula. D. intermediate mass. E. arbor vitae.