Select the wrong statement.

Options

A. When tripalmitin is used as a substrate in respiration the RQ is 0.7
B. The intermediate compound which links glycolysis with Krebs' cycle is malic acid
C. One glycose molecule yields a net gain of 36 ATP molecules during aerobic respiration
D. One glycose molecule yields a net gain of 2 ATP molecules during glycolysis

Explanation

To solve the question of selecting the wrong statement from the given options, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Analyze the First Statement:**
- The first statement claims that when tri palmitate is used as a substrate in respiration, the respiratory quotient (RQ) is 0.7.
- The reaction provided shows that two molecules of tri palmitate react with 145 molecules of oxygen to produce 102 molecules of carbon dioxide and 98 molecules of water.
- The formula for respiratory quotient (RQ) is:
\[ RQ = \frac{\text{Volume of CO}_2}{\text{Volume of O}_2} \]
- Substituting the values:
\[ RQ = \frac{102}{145} \approx 0.7 \]
- This statement is **correct**.

2. **Analyze the Second Statement:**
- The second statement claims that the intermediate compound linking glycolysis with the Krebs cycle is malic acid.
- In reality, the compound that links glycolysis to the Krebs cycle is acetyl coenzyme A, not malic acid.
- Malic acid is involved in the Krebs cycle but does not serve as the linking compound.
- Therefore, this statement is **incorrect**.

3. **Analyze the Third Statement:**
- The third statement states that one glucose molecule yields a net gain of 36 ATP molecules during aerobic respiration.
- It is known that one glucose molecule can yield either 36 or 38 ATP molecules depending on the shuttle mechanism used for transporting electrons.
- Thus, this statement is **correct**.

4. **Analyze the Fourth Statement:**
- The fourth statement claims that one glucose molecule yields a net gain of 2 ATP molecules during glycolysis.
- During glycolysis, glucose is converted to pyruvate, resulting in the net gain of 2 ATP molecules and 2 NADH molecules.
- Hence, this statement is also **correct**.

### Conclusion:
The only **incorrect statement** among the options is the **second statement** regarding malic acid linking glycolysis with the Krebs cycle.

### Final Answer:
The wrong statement is: **The intermediate compound which links glycolysis with Krebs cycle is malic acid.**

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