End product of aerobic respiration are

Options

A. sugar and oxygen
B. water and energy
C. carbon dioxide, water and energy
D. carbon dioxide and energy

Explanation

To answer the question "What are the end products of aerobic respiration?" we can break it down into a step-by-step explanation.

### Step-by-Step Solution:

1. **Understanding Aerobic Respiration**:
- Aerobic respiration is a metabolic process that requires oxygen to convert glucose into energy. It occurs in the presence of oxygen and involves several stages.

2. **Initial Substrate**:
- The process begins with glucose, which is the primary substrate for aerobic respiration.

3. **Glycolysis**:
- The first step is glycolysis, which occurs in the cytoplasm of the cell. Here, one molecule of glucose (a six-carbon compound) is broken down into two molecules of pyruvic acid (a three-carbon compound).
- During glycolysis, energy is released in the form of ATP and NADH.

4. **Krebs Cycle**:
- The pyruvic acid then enters the mitochondria, where it undergoes the Krebs cycle (also known as the citric acid cycle).
- This cycle produces additional NADH and FADH2, along with carbon dioxide (CO2) as a waste product.

5. **Electron Transport Chain**:
- The NADH and FADH2 produced in the previous steps enter the electron transport chain located in the inner mitochondrial membrane (cristae).
- As these molecules are oxidized, they release energy that is used to produce more ATP.

6. **Final Products**:
- The end products of aerobic respiration are:
- Carbon dioxide (CO2)
- Water (H2O)
- Energy in the form of ATP

7. **Conclusion**:
- Therefore, the correct answer to the question is that the end products of aerobic respiration are carbon dioxide, water, and energy (ATP).

### Final Answer:
The end products of aerobic respiration are carbon dioxide (CO2), water (H2O), and energy (ATP).

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