About how many liters of blood does an
average human have?
a. 3
b. 4
c. 5
d. 6
e. 7
C
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The enzyme responsible for proofreading a growing DNA strand and for replacing mismatched nucleotides is
A. DNA polymerase. B. helicase. C. topoisomerase II. D. DNA ligase. E. DNA replicase.
Which is true about the FTO gene?
A) If you carry it, you will be obese. B) If you carry it, you will have a high metabolism. C) It can be turned off with a diet high in B vitamins. D) It can be turned off with a diet higher in fat.
The pathogen Haemophilus influenzae B causes_____.
A) Meningitis in children B) Upper respiratory flu C) Endocarditis D) Genital chancroid
Biochemical tests include all of the following except
A. tests for the presence of specific enzymes. B. antibiotic sensitivity tests. C. ribotyping tests. D. gas production tests. E. sugar fermentation tests.