Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway

Pentose Phosphate Pathway

Biochemistry

Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway

Pentose Phosphate Pathway

Previous problem

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Multiple Choice

The advantage of the pentose phosphate pathway is that it produces all of the following except:

Ribose-5-phosphate

NADPH

Erythrose-4-phosphate

ATP

Previous problem

Verified step by step guidance

Step 1: Begin by understanding the pentose phosphate pathway (PPP). The PPP is a metabolic pathway parallel to glycolysis that primarily serves two functions: generating NADPH for biosynthetic reactions and producing ribose-5-phosphate for nucleotide synthesis.

Step 2: Identify the key products of the pentose phosphate pathway. These include NADPH, ribose-5-phosphate, and intermediates such as erythrose-4-phosphate, which are involved in various biosynthetic processes.

Step 3: Recall that ATP is not produced in the pentose phosphate pathway. Unlike glycolysis or the citric acid cycle, the PPP does not involve substrate-level phosphorylation or oxidative phosphorylation to generate ATP.

Step 4: Compare the listed molecules (Ribose-5-phosphate, NADPH, Erythrose-4-phosphate, and ATP) with the known products of the pentose phosphate pathway. Exclude ATP as it is not a product of this pathway.

Step 5: Conclude that the advantage of the pentose phosphate pathway lies in its ability to produce NADPH, ribose-5-phosphate, and erythrose-4-phosphate, but not ATP.