Test Prep USMLE Exam Practice Questions (P. 3)
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Question #21
Which of the following is the mRNA start codon in most cases?
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Question #22
Which of the types of RNA is the smallest?
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Question #23
Which of the following is not considered a pyrimidine?
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Question #24
Which of the following is paired correctly?
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Question #25
Which of the following characterizes a Western blot?
- AAntibody/protein hybridization
- BDNA/RNA combination
- CRNA transcription
- DPolymerase chain reaction
Correct Answer:
A
A
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Question #26
Which of the following is the approximate prevalence ratio for cystic fibrosis?
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Question #27
Which of the following divisions of cell growth precedes Mitosis in the cell cycle?
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Question #28
Down syndrome is directly linked to a genetic abnormality of chromosome?
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Question #29
Which of the following is a characteristic of the Hardy-Weinberg law?
- AMating between species occurs at a set rate.
- BMigration is a considerable factor.
- CMutation occurs at the locus
- DGenotype selection does not occur at the locus
Correct Answer:
D
D
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Question #30
Which of the following is not a characteristic of Hurler's syndrome?
- AAutosomal recessive condition
- BAssociated with delayed mental development
- CSpasticity
- DCorneal deficits
Correct Answer:
C
C
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