๐Ÿ’Š PCAT Exam Prep

Cytochrome P450 enzymes are primarily located in:

A Kidneys
B Liver (endoplasmic reticulum of hepatocytes)
C Lungs
D Brain

โœ“ Correct Answer: Option B

CYP450 family: major drug-metabolizing enzymes in liver microsomes. CYP3A4 metabolizes ~50% of all drugs.

๐Ÿ’ก Why is B) the correct answer?

The correct answer to the question "Cytochrome P450 enzymes are primarily located in:" is Option B: Liver (endoplasmic reticulum of hepatocytes).

The other options โ€” A) Kidneys, C) Lungs, D) Brain โ€” are incorrect for this PCAT Exam Prep question. As explained above: CYP450 family: major drug-metabolizing enzymes in liver microsomes. CYP3A4 metabolizes ~50% of all drugs.

๐Ÿ“š About This PCAT Exam Prep Practice Question

This 2-level PCAT Exam Prep question from the Biological Processes topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free PCAT Exam Prep practice test or use flashcards for spaced repetition review.

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