`2NADH(H^(+))` produced during anaerobic glycolysis yiled

Options

A. 6 ATP molecules
B. 4 ATP molecules
C. 8 ATP molecules
D. None of the above

Explanation

To solve the question regarding the yield of `2 NADH(H^(+))` produced during anaerobic glycolysis, we can break it down into the following steps:

### Step 1: Understand Anaerobic Glycolysis
Anaerobic glycolysis is a metabolic process that occurs in the absence of oxygen. During this process, glucose is broken down to produce energy.

**Hint:** Remember that anaerobic means "without oxygen."

### Step 2: Identify the Products of Anaerobic Glycolysis
During anaerobic glycolysis, the following products are generated:
- 2 ATP (net gain)
- 2 NADH molecules

**Hint:** Focus on the key products of glycolysis, especially in anaerobic conditions.

### Step 3: Role of NADH in Anaerobic Conditions
In aerobic conditions, NADH produced during glycolysis can be converted into ATP through the electron transport chain in mitochondria. However, in anaerobic conditions, the electron transport chain cannot function due to the lack of oxygen.

**Hint:** Consider what happens to NADH when oxygen is not available.

### Step 4: Regeneration of NAD+
To continue glycolysis, cells must regenerate NAD+ from NADH. In anaerobic conditions, this is achieved through fermentation processes (like lactic acid fermentation or alcoholic fermentation), where NADH is converted back to NAD+.

**Hint:** Think about how cells maintain glycolysis in the absence of oxygen.

### Step 5: Conclusion on Yield of NADH
Since NADH does not lead to the direct production of ATP in anaerobic glycolysis, and instead is used to regenerate NAD+, we conclude that the `2 NADH` produced during anaerobic glycolysis yields nothing in terms of ATP.

**Hint:** Summarize the overall yield of NADH in anaerobic glycolysis.

### Final Answer
The `2 NADH(H^(+))` produced during anaerobic glycolysis yields **none of the above** in terms of ATP.