Unit 1 · Exam weight 8–11%

Chemistry of Life

Water, biological macromolecules, and the chemistry that makes life possible.

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Lessons

Structure of Water & Hydrogen Bonding

Polarity gives water its life-supporting emergent properties.

Biological Macromolecules

Carbohydrates, lipids, proteins, and nucleic acids built by dehydration synthesis.

Protein Structure & Nucleic Acids

Levels of protein structure; directionality of DNA and RNA.

Featured diagram

Water molecule polarity and hydrogen bonding diagram

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