Knowledge of the cell cycle has led to improved means of treating cancer. The drug 5-fluorouracil blocks the synthesis of thymine. This drugs inhibits the cell cycle at the end of
a. G1.
b. G2.
c. S.
d. prophase.
e. metaphase.
Answer: b. G2.
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Polycystic kidney disease results in kidney failure due to ____
a. compression of nephrons b. compression of the glomerulus c. swelling of nephrons d. swelling of the glomerulus e. blocking aquaporins
Approximately what percent of the total number of plant species have had their genomes partially or
fully sequenced?
a. 0.01% d. 10% b. 0.10% e. 50% c. 1%
In human prenatal development, cleavage
occurs in the
a. cervix. b. upper part of the uterus. c. vagina. d. oviduct. e. ovary.
When the results of a GWAS experiment using 500,000 SNPs are plotted in a Manhattan plot, significantly associated SNPs are
A) data points with a ?log (p value) less than 0.05. B) data points with a ?log (p value) greater than 7. C) data points with a ?log (p value) greater than 7 that fall within a known coding sequence. D) any data points above the line of correlation.