How many carbons are present in this figure?
a. 0
b. 4
c. 5
d. 6
e. 7
ANSWER: d
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Certain medications can have the effect of decreasing potassium levels in the body. Which symptom would be consistent with a loss of potassium?
A. fatigue B. muscle weakness C. irregular heartbeat D. All of the answer options are correct.
Except in rare cases, genes are usually passed from generation to generation within a species. This process is called:
A. horizontal gene transfer B. vertical gene transfer C. transgenesis D. synteny
Which of the following is least likely to result in a release of epinephrine (adrenaline) from the adrenal glands?
A. Competing in an athletic event B. going out on a first date C. Falling asleep during a lecture D. Swimming in a very cold pool E. taking a test while unprepared
A deficiency in a plant micronutrient
A. results in no visible symptoms. B. makes that plant susceptible to herbivores. C. has no impact on the agriculture of a region. D. can have a severe effect on plant growth. E. is less serious than a deficiency in a macronutrient.