The theory of evolution addresses which of the following?
a. How populations change
b. The origin of life
c. The spiritual world
d. How individuals develop
a. How populations change
The theory of evolution addresses how populations change.
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If citrate levels are high in the cell, but ATP levels are low, what do you think will happen in the cell?
A. In the presence of glucose, glycolysis will run to generate energy for the cell, but the Krebs cycle will be inhibited. B. Glycolysis will be inhibited, but the Krebs cycle will be functional, allowing it to be utilized to breakdown acetyl-CoA generated from beta-oxidation. C. The electron transport chain will be inhibited, causing a build-up of NADH and FADH2. This will inhibit the Krebs cycle, but in the presence of glucose, glycolysis will still run coupled with fermentation to regenerate NAD+. D. Glycolysis and the Krebs cycle will both be inhibited, thus under these conditions there will be no mechanism to generate ATP.
Finding a specific clone in a library does NOT require
A. probes. B. restriction enzymes. C. radioactive or fluorescent compounds. D. nutrient plates. E. DNA binding filters.
What is the function of nucleosomes?
a. To prevent DNA strands from tangling. b. To help DNA replicate. c. To make RNA synthesis possible. d. To prevent RNA from tangling with DNA during transcription. e. To prevent histones from tangling
In 1940, two researchers named Weiner and Landsteiner discovered that about 85 percent of the human population sampled possessed a blood cell protein that had been previously detected in Rhesus monkeys. This blood type was labeled Rh positive, and Rh+ was found to be dominant over the absence of the blood factor (Rh-). Under normal Mendelian inheritance, which of the following statements is FALSE?
A. An Rh- child would require that both parents be carriers of at least one Rh- gene. B. Two Rh- parents could have an Rh+ child. C. It is possible with just one pair of parents to have children where some siblings are Rh- and some are Rh+. D. Two Rh+ parents could have an Rh- child. E. All of the choices are false.