Biological molecules have unique properties that determine how they contribute to the function and structure of cells. These properties are based on the chemical makeup of the molecules.

MCAT Foundational Concept 1

Assemblies of molecules, cell, and organs interact to carry out functions in living organisms. Cells are the most basic structural unit in a living organism, and, in multicellular organisms, groupings of cells perform specialized processes to maintain life.

MCAT Foundational Concept 2

Complex systems of tissues and organs can sense the internal and external contexts of a living, multicellular organism and maintain stable internal functioning as a result.

MCAT Foundational Concept 3 

- Foundational Concept 1
- Foundational Concept 2
- Foundational Concept 3

Grinnell College

This section contains 59 passage-based and discrete questions to be completed within 95 minutes. The section tests a test-taker's abilities in college-level biochemistry, molecular and cellular biology, organic and inorganic chemistry as well as research methods and statistical concepts.

MCAT Biological and Biochemical Foundations of Living Systems Section

AAMC (n.d.). What's on the MCAT® Exam? https://students-residents.aamc.org/prepare-mcat-exam/whats-mcat-exam

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