About This Test
This practice test is designed to help you prepare for the MCAT exam. It contains 25 questions and has a time limit of 30 minutes.
Take it now
Start the test directly on this page without signing in
Create Your Own Tests
Track your progress and save results over time
Important Questions
What is the structure that allows the rapid diffusion of nutrients and wastes between capillaries and cells?
Which of the following hormones is primarily responsible for stimulating the release of glucagon from the pancreas?
What is the primary role of the smooth endoplasmic reticulum (SER) in muscle cells?
Which of the following processes occurs in the rough endoplasmic reticulum (RER)?
What is the primary difference between active and passive transport?
Which of the following enzymes is primarily responsible for converting pyruvate to acetyl CoA?
Which of the following compounds is most likely to act as a neurotransmitter?
What is the primary role of microtubules in the cell?
Which of the following organelles is most closely associated with protein degradation?
Which of the following processes occurs during glycolysis?