Which of the following is least likely to be the result of a mutation in the promoter of a gene?
A. The level of expression of that gene increases.
B. The level of expression of that gene decreases.
C. The protein sequence of the gene product is altered.
D. The level of expression of that gene remains the same.
C
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To which zoogeographical realm does the North American continent belong?
a. Palearctic b. Oceanian c. Neotropical d. Panamanian e. Nearctic
Which of the following statements regarding photosynthesis and cellular respiration is false?
-Photosynthesis is an anabolic process, whereas cellular respiration is a catabolic process. -Oxygen is required in aerobic cellular respiration to assist in the oxidation of glucose. -The process of photosynthesis does not require the input of energy. -Photosynthesis fixes carbon dioxide during the Calvin cycle, whereas cellular respiration releases carbon dioxide during the Krebs cycle. -none of the above
The MDR ABC transporter functions in a number of animal cells to transport
a. glucose into cells. b. ions into cells. c. poisons and drugs out of cells. d. amino acids across epithelia.
If someone discovered a new compound that stops metamorphosis at the larval stage, what would be the benefits and drawbacks of this pesticide for humans?
What will be an ideal response?