Sulfonamides inhibit the production of folic acid and, therefore, inhibit the synthesis of ________.
A. peptidoglycan
B. aromatic amino acids
C. purines and pyrimidines
D. ribose
Answer: C
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Which trait is a characteristic of most eudicots?
a. four or five floral parts, or multiples of four or five b. three furrows with pores on pollen grain c. vascular bundles organized as a ring in ground tissue d. branching fibrous root system e. two seed leaves of embryo inside the seed
The central nervous system includes only ________
a. the brain and spinal cord b. afferent axons that carry sensory signals into the brain c. efferent axons that relay commands from the brain and spinal cord d. nerves that extend outside the brain and spinal cord
Most viruses form a capsid around their nucleic acid core. This capsid is composed of
A. monosaccharides. B. lipoproteins. C. glycoproteins. D. proteins.
If a haploid cell goes through mitosis it will generate
a)two haploid cells. b)two diploid cells. c)four haploid cells. d)four diploid cells. e)This is not possible.