MCAT Science Topics [MCAT]

Negative Feedback vs. Positive Feedback

Negative and positive feedback loops are essential to maintaining homeostasis and supporting biological function.

So, you can expect to see at least one or two questions on the MCAT to test your understanding of these crucial concepts.

Learn more about negative and positive feedback in our MCAT newsletter.

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[mcat prep]

Kidney Anatomy & Function

About the size of the adult human fist, the kidney is a powerful organ whose important functions in the body far outweigh its humble size. The kidneys are essential to maintaining multiple aspects of homeostasis including blood pressure, blood pH, osmolarity, and waste removal. Thus, you can expect a few questions on the MCAT to test your knowledge of renal function.

Learn more about it in our MCAT newsletter: Kidney Anatomy & Function

Related resource: MCAT topics list

 

[mcat prep]

MCAT Biochemistry: Amino Acid & Protein Structure

An essential part of understanding biochemistry lies in the knowledge of amino acid structure as well as protein structure. Amino acids are the building blocks of proteins and thus influence the functions of all proteins including enzymes, hormones, antibodies, and storage proteins.

Learn more:
Amino Acid & Protein Structure - Part I
Amino Acid & Protein Structure - Part II

Source: Gold Standard MCAT Prep

 

[mcat prep]

MCAT Physics Equations to Memorize

The image below shows some of the Physics equations to memorize. The full list can be viewed on our MCAT Physics Equations Sheet

Tip: Understanding the meaning of equations and their appropriate use will always be more important than memorization.