Stanley Miller's first prebiotic simulation experiment showed that, under the right conditions, Oparin's ancient atmosphere could allow for the formation of
A. amino acids.
B. plants.
C. living cells.
D. DNA molecules.
E. liposomes.
Answer: A. amino acids.
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Which of the following is not an effect of epinephrine throughout the body?
A. Promotes the breakdown of glycogen in skeletal muscle cells B. Relaxes lung airways C. Stimulates heart muscle cells D. A person feeling energized after drinking a cup of caffeinated coffee E. The body's ability to digest a large meal
What causes Addison’s disease?
a. brain trauma b. heart disease c. failing adrenal cortex d. alcoholism
A plot of population size vs time that displays a J-shape is indicative of
A. r-selection. B. exponential growth. C. logistic growth. D. K-selection. E. parasitism.
How many principles are there in Koch's postulates of disease?
A) 1 B) 2 C) 3 D) 4 E) 5