HESI A2 Biology Study Guide • Chapter summaries • Biology vocabulary • HESI-style Biology Practice Questions • Diagrams and explanations LATEST UPDATE 2023/2024

HESI A2 Biology Study Guide • Chapter summaries • Biology vocabulary • HESI-style Biology Practice Questions • Diagrams and explanations LATEST UPDATE 2023/2024 HESI A2 Biology Study Guide Cellular respiration Cellular respiration is the process inside of cells that converts nutrients (such as sugars, amino acids, and fatty acids) into ATP (adenosine triphosphate), which is used throughout the organism for energy. Large molecules are broken into smaller molecules, which releases both ene...