19. which step in the process of cell respiration is anaerobic? where does it take place?\n20. what is adp…

19. which step in the process of cell respiration is anaerobic? where does it take place?\n20. what is adp vs atp?\n21. what organelle inside the cells is responsible for cellular respiration?

19. which step in the process of cell respiration is anaerobic? where does it take place?\n20. what is adp vs atp?\n21. what organelle inside the cells is responsible for cellular respiration?

Answer

Brief Explanations:

  • For question 19: Glycolysis is the anaerobic step in cell respiration. It occurs in the cytoplasm.
  • For question 20: ATP (adenosine triphosphate) has three phosphate groups and stores more energy. ADP (adenosine diphosphate) has two phosphate groups. ATP can donate a phosphate group to become ADP, releasing energy.
  • For question 21: Mitochondria are the organelles responsible for cellular respiration (except for glycolysis which is in cytoplasm).

Answer:

  1. Glycolysis, cytoplasm.
  2. ATP has three phosphate groups (more energy - rich), ADP has two. ATP → ADP + phosphate + energy.
  3. Mitochondria.