%20₂ + H+ ⇒ NAD+ + H₂O This is the overall reaction for t Oxidative decarboxylation c Glycolysis Electron transport

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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**Oxidative Phosphorylation Reaction and Pathway Identification**

Reveal the overall reaction for the specified cellular pathway. The reaction is as follows:

\[ \text{NADH} + \frac{1}{2} \text{O}_2 + \text{H}^+ \rightarrow \text{NAD}^+ + \text{H}_2\text{O} \]

This is the overall reaction for the pathway of:

- [ ] Oxidative decarboxylation of pyruvate
- [ ] Glycolysis
- [ ] Electron transport
- [ ] TCA or citric acid cycle
- [ ] Fatty acid oxidation
- [x] Oxidative phosphorylation

This multiple-choice question aims to assess your understanding of the biological process corresponding to the given chemical reaction. The correct answer here is "Oxidative phosphorylation," where NADH is oxidized to NAD+, and water (H₂O) is produced through the involvement of oxygen.
Transcribed Image Text:**Oxidative Phosphorylation Reaction and Pathway Identification** Reveal the overall reaction for the specified cellular pathway. The reaction is as follows: \[ \text{NADH} + \frac{1}{2} \text{O}_2 + \text{H}^+ \rightarrow \text{NAD}^+ + \text{H}_2\text{O} \] This is the overall reaction for the pathway of: - [ ] Oxidative decarboxylation of pyruvate - [ ] Glycolysis - [ ] Electron transport - [ ] TCA or citric acid cycle - [ ] Fatty acid oxidation - [x] Oxidative phosphorylation This multiple-choice question aims to assess your understanding of the biological process corresponding to the given chemical reaction. The correct answer here is "Oxidative phosphorylation," where NADH is oxidized to NAD+, and water (H₂O) is produced through the involvement of oxygen.
### Enzyme Functionality in Different Tissues

Different enzymes that catalyze the same reaction, although they may be found in different tissues, are known as ______.

- O Cofactors
- O Apoenzymes
- O Zymogens
- O Isoenzymes

**Explanation:**

1. **Cofactors**:
   Cofactors are non-protein chemical compounds that assist enzymes in catalyzing reactions.

2. **Apoenzymes**:
   Apoenzymes are the protein part of an enzyme without its necessary cofactor(s).

3. **Zymogens**:
   Zymogens are inactive precursors of enzymes, which need to be modified to become active.

4. **Isoenzymes**:
   Isoenzymes, or isozymes, are different enzymes that catalyze the same reaction but exist in different forms and can be found in various tissues.

**Correct Answer:** Isoenzymes
Transcribed Image Text:### Enzyme Functionality in Different Tissues Different enzymes that catalyze the same reaction, although they may be found in different tissues, are known as ______. - O Cofactors - O Apoenzymes - O Zymogens - O Isoenzymes **Explanation:** 1. **Cofactors**: Cofactors are non-protein chemical compounds that assist enzymes in catalyzing reactions. 2. **Apoenzymes**: Apoenzymes are the protein part of an enzyme without its necessary cofactor(s). 3. **Zymogens**: Zymogens are inactive precursors of enzymes, which need to be modified to become active. 4. **Isoenzymes**: Isoenzymes, or isozymes, are different enzymes that catalyze the same reaction but exist in different forms and can be found in various tissues. **Correct Answer:** Isoenzymes
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