The part of interphase after chromosomes are duplicated is the ____
a. G1 phase
b. S phase
c. G2 phase
d. M phase
e. R phase
ANSWER: c
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Horizontal gene transfer in Archaea
A) is infrequent in nature and therefore difficult to use for genetic studies in the laboratory. B) has not been documented, thus all genetic studies of archaea are done via genomic sequencing. C) frequently occurs in nature and has been used to perform genetic studies in the laboratory as well. D) frequently occurs in nature, but there are very few laboratory studies because archaea do not cause human disease.
The large, fluid-filled spaces within the brain are called the:
a. choroid plexus. b. ventricles. c. meninges. d. pia mater.
Which of the following molecules demonstrate dual solubility characteristics?
a. sterols only b. proteins only c. phospholipids only d. sterols and phospholipids e. sterols, phospholipids, and proteins
A plant with pink flowers is allowed to self-pollinate. Generation after generation, it produces pink flowers. This is an example of:
A. incomplete dominance. B. the law of independent assortment. C. true-breeding plant. D. interbreeding.