What is the probability of rolling a die twice and getting a 2 and a 6 in no particular order?
a. 1/3
b. 1/4
c. 1/8
d. 1/18
e. 1/36
ANSWER: d
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Which of the following is a statement of the first law of thermodynamics?
A) Energy cannot be created or destroyed. B) The entropy of the universe is decreasing. C) The entropy of the universe is constant. D) Kinetic energy is stored energy that results from the specific arrangement of matter. E) Energy cannot be transferred or transformed.
Atoms of a single element that possess different numbers of neutrons are called:
A. isomers. B. polymers. C. ions. D. isotopes. E. monomers.
The classic experiments performed by Creighton and McClintock in Maize
A. provided the initial evidence for genetic recombination. B. provided evidence that genes located on the same chromosome do not assort independently. C. allowed for the establishment of the first genetic map. D. provided evidence for the physical exchange of genetic material between homologues.
You have given a dosage of an antibiotic to a patient for his infection, but the patient is not getting any better. The MIC tests shows that the drug that you prescribed, at the dosage that was given, should work against this particular strain of bacterium. What do you think might be the problem?
A. The drug might be broken down in the patient's body before it can have its full effect on the bacterium. B. The bacterium is immune to the chemical effects of the drug. C. The drug was improperly made at the pharmaceutical company, so is no longer effective. D. The patient is resistant to the drug.