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This MCAT Biochemistry Review Summary Page will draw your attention to the most important and helpful points and helps to understand vocabulary, definitions, and relationships in biochemistry. In some respects, learning this "language" of biochemistry will decrease your need to memorize information and increase your understanding of MCAT Biochemistry content. Unlike most undergraduate Biochemistry exams, MCAT Biochemistry is far more likely to ask reasoning questions than to ask for the intermediate or enzyme in a pathway that you are expected to review.
We have placed a couple of practice questions on this page, and you can access more practice questions in our free MCAT practice test or our many full-length MCAT practice tests. You may also be interested in Gold Standard's free premium app: MCAT Biochemistry for iPhone, MCAT Biochemistry for Android.
For a detailed list of MCAT Biochemistry topics see our MCAT topics list.
Download the Gold Standard MCAT Biochemistry Review Summary PDF or scroll down and click on an image below to view the summaries.
|Building Block||Polymerizes to form . . .||Chemical bonds||Macromolecule|
|Monomers||Dimer, trimer, tetramer, oligomers, etc.||Covalent bonds*||Polymer|
|Amino acids||Dipeptide, tripeptide, tetra/oligopeptide, etc.||Peptide bonds||Polypeptide, protein|
|Monosaccharides ('simple sugars'**)||Disaccharide, tri/tetra/oligosaccharide, etc.||Glycosidic bonds||Polysaccharide|
|Nucleotides||Nucleotide dimer, tri/tetra/oligomer, etc.||Phosphodiester bonds||Polynucleotides, nucleic acids|
*There are exceptions. For example, in certain circumstances polypeptides are considered monomers and they may bond non-covalently to form dimers (i.e. higher orders of protein structure).
**Note that disaccharides are also sugars (i.e. sucrose is a glucose-fructose dimer known as 'table sugar'; lactose is a glucose-galactose known as 'milk sugar').