Catalog · MIT OLL: Getting up to Speed in Biology, Summer 2020 Lecture 5 of 28 Lecture 1.4: The Molecules of Life — Recognizing Macromolecules ← Previous Lecture 1.3: The Molecules of Life — Types of Bonds Next → Lecture 1.5: The Molecules of Life — Nucleic Acid Polarity ✓ Mark complete