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Repeated USMLE Questions Step 1- Review- 328

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#1 ·
Q- Which of the following is the percentage of thymine in a DsDNA if it contains 20% guanine?
A-20%
B-30%
C-40%
D-50%

Q- Which one of the following types of cell secretions involves exocytosis?
A-Apocrine secretion
B-Holocrine secretion
C-Merocrine secretion

Q- Which of the following tests is the most accurate for diagnosis of herpes encephalitis?
A-MRI of the brain
B-PCR of CSF
C-Serological studies for herpes
D-Viral culture of CSF

Answer
 
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