Question

• Which of the following processes take place in the cytoplasm?
1. Kreb's cycle
2. Aerobic cellular respiration.
3. Photosynthesis
4. Anaerobic cellular respiration
I believe is number 1.

Answer 1

The Kreb's cycle (also known as the citric acid cycle) actually takes place in the mitochondria, not in the cytoplasm.

Here’s a breakdown of the processes you've listed:

1. **Kreb's cycle** - Takes place in the mitochondria.
2. **Aerobic cellular respiration** - Includes several stages, with glycolysis occurring in the cytoplasm and the Kreb's cycle and electron transport chain occurring in the mitochondria.
3. **Photosynthesis** - Takes place in the chloroplasts (mainly in the stroma and thylakoid membranes) of plant cells.
4. **Anaerobic cellular respiration** - Occurs in the cytoplasm.

Among the options you provided, **option 4 (Anaerobic cellular respiration)** is the correct answer for processes that take place in the cytoplasm.