Which process does the following equation represent
`C_(6)H_(12)O_(6)` + 2NAD + 2ADP + 2Pi `to` `2CH_(3)` - CO-COOH-2NAD`H_(2)` + 2ATP

Options

A. Complete glycolysis
B. Complete aerobic respiration
C. Complete anaerobic respiration
D. Complete fermentation.

Answer

To determine which process the given equation represents, let's break down the equation step by step.

### Step 1: Analyze the Equation
The equation provided is:
\[ C_{6}H_{12}O_{6} + 2NAD^{+} + 2ADP + 2Pi \rightarrow 2CH_{3}COCOOH + 2NADH_{2} + 2ATP \]

Here, we have:
- **C6H12O6**: This is glucose.
- **NAD+**: This is a coenzyme that acts as an electron carrier.
- **ADP**: Adenosine diphosphate, which is a precursor to ATP.
- **Pi**: Inorganic phosphate.

The products are:
- **2CH3COCOOH**: This represents two molecules of pyruvate.
- **2NADH**: Reduced form of NAD+.
- **2ATP**: Energy currency of the cell.

### Step 2: Identify the Process
The conversion of glucose (C6H12O6) into pyruvate (CH3COCOOH) occurs through a series of enzymatic reactions known as glycolysis. Glycolysis is the first step in both aerobic and anaerobic respiration.

### Step 3: Understand the Context
- Glycolysis occurs in the cytoplasm of the cell.
- It consists of two main phases: the preparatory phase (where ATP is consumed) and the payoff phase (where ATP and NADH are produced).
- The net gain from glycolysis is 2 ATP and 2 NADH for every molecule of glucose processed.

### Step 4: Conclusion
Given that the equation represents the breakdown of glucose into pyruvate, while producing ATP and NADH, we can conclude that this is the process of **glycolysis**.

Therefore, the correct answer is:
**Complete Glycolysis**.