Amino acids and other organic molecules were formed in the laboratory of Miller and Urey from which of the
following?
a. hydrogen, methane, water, ammonia, and electrical discharge
b. heat, ultraviolet radiation, water, carbon dioxide, and amines
c. heat, infrared radiation, water, carbon dioxide, and free nitrogen
d. heat, electrical discharge, water, nitric oxide, and carbon dioxide
e. ultraviolet radiation, electrical discharge, carbon dioxide, nitrogen, and ammonia What will be an ideal response?
a
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In the microdilution broth dilution method, the interpretive criteria for the susceptible, interme-diate, or resistant categories are based on the:
a. quantitative differences (i.e., CFU/mL) in the turbidity in the test well. b. correlation of the MIC with se-rum-achievable levels of the common doses of the antimicrobial agent and the-rapeutic outcomes based on clinical stu-dies. c. either the presence or absence of zones of inhibition. d. FDA's recommendations based on a na-tional database of participating health care agencies providing antibiograms for re-view and publication as a summative re-port.
In the accompanying figure illustrating the levels of life’s organization, what is represented in frame 3?
a. atom b. tissue c. molecule d. organ e. cell
Disassembly of the nuclear envelope ________________
(a) causes the inner nuclear membrane to separate from the outer nuclear membrane. (b) results in the conversion of the nuclear envelope into protein-free membrane vesicles. (c) is triggered by the phosphorylation of integrins. (d) must occur for kinetochore microtubules to form in animal cells.
Where did information processing become increasingly centered in terrestrial vertebrates?
A. Midbrain B. Thalamus C. Hindbrain D. Medulla oblongata E. Forebrain