Which of the following occurs in both photosynthesis and respiration?
chemiosmosis
glycolysis
calvin cycle
krebs cycle
The correct answer is chemiosmosis.
The process that occurs in both photosynthesis and respiration is the Krebs cycle, also known as the citric acid cycle.
To determine which of the following processes occur in both photosynthesis and respiration, let's examine each process:
1. Chemiosmosis: Chemiosmosis is a process that occurs in both photosynthesis and respiration. It involves the movement of protons (H+) across a membrane to generate ATP (adenosine triphosphate), which is the energy currency for cells.
2. Glycolysis: Glycolysis is the initial step in the breakdown of glucose within the process of respiration. It occurs in both aerobic and anaerobic respiration. However, glycolysis does not occur in the process of photosynthesis.
3. Calvin Cycle: The Calvin cycle is a part of the light-independent reactions in photosynthesis. It converts carbon dioxide into glucose and occurs specifically in the stroma of the chloroplasts. The Calvin cycle does not occur in respiration.
4. Krebs Cycle (also known as the citric acid cycle or the tricarboxylic acid cycle): The Krebs cycle is a part of the aerobic respiration process and takes place in the mitochondria. It generates energy-rich molecules that are used to produce ATP. The Krebs cycle does not occur in the process of photosynthesis.
Based on the explanations, the process that occurs in both photosynthesis and respiration is chemiosmosis.