Nondisjunction may occur during _____
a. mitosis
b. meiosis
c. fertilization
d. both mitosis and meiosis
D
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Which of the following questions is about gene regulation? Select all correct choices
A. Why do all eukaryotes share a common genetic code? B. Where are genes for hemoglobin expressed? C. How much insulin is produced after a meal?
The renal cortex contains _______, which remove and concentrate wastes to form urine.
a. the nephrons b. the ureter c. the urethra d. plasma
Which feature is characteristic of all polysaccharides?
a. energy usage
b. always branched chains c. fructose subunits d. only consisting of carbon, hydrogen, and oxygen atoms e. produced by condensation reactions
During sporulation in Bacillus subtilis, the response regulator that positively controls many genes needed for sporulation and negatively controls genes not needed during sporulation is ________.
A. SpoOB B. SpoOF C. SpoOC D. SpoOA