Immerse a living human cell in a hypotonic solution, and water will tend to _____
a. diffuse into the cell c. show no net movement
b. diffuse out of the cell d. move in by endocytosis
A
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What reaction is catalyzed by mercuric reductase?
A) CH3HgCH3 to Hg2+ B) CH3Hg+ to Hg2+ C) Hg4+ to Hg2+ D) Hg2+ to Hg0
The secretion of each of the hormones from the anterior pituitary requires
a. stimulation from the posterior pituitary. b. that they first be secreted from the neurons of the hypothalamus. c. two capillary beds. d. the action of minute amounts of releasing hormones. e. two capillary beds and the action of minute amounts of releasing hormones.
Type 2 diabetes is caused by:
a. too much insulin in the blood. b. too little insulin in the blood. c. too much glucagon in the blood. d. too little glucagon in the blood. e. receptors being insensitive to insulin.
During which growth phase are bacteria more susceptible to antimicrobial drugs?
A) lag phase B) log phase C) stationary phase D) death phase E) The susceptibility is the same for all phases.