Repeated USMLE Questions Step 1- 324

Q- Which one of the following phases of the cell cycle is affected by binding p53 to DNA?

A- G0

B- G1

C- G2

D- M

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Q- Meissner’s plexus of nerves is located within which layer of the gastrointestinal tract?

A- External layer

B- Mucosa

C- Muscularis Externa

D- Submucosa

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Q- Which of the following cells of the ovary secretes inhibin, follistatin and activin?

A- Granulosa cells

B- Surface epithelial cells

C- Theca externa cells

D- Theca interna cells

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