🦠microbiology review

Macronutrient

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Macronutrients are essential chemical compounds required in large amounts by microorganisms for growth, energy, and cellular functions. They include carbohydrates, proteins, lipids, and nucleic acids.

5 Must Know Facts For Your Next Test

  1. Macronutrients provide the primary sources of energy and structural components for microbial cells.
  2. Carbohydrates serve as a key energy source and are involved in cell wall structure.
  3. Proteins function as enzymes, structural proteins, and signaling molecules in microbial cells.
  4. Lipids form membranes that compartmentalize cellular processes and store energy.
  5. Nucleic acids (DNA and RNA) are crucial for genetic information storage, transmission, and protein synthesis.

Review Questions