Chapter 24, Problem 1RE

RECALL What are the two primary molecules that link anabolic and catabolic reactions?

Interpretation Introduction

Interpretation:

The two primary molecules that link the anabolic and catabolic pathways are to be named.

Concept introduction:

Anabolic pathway is the process that require energy to synthesize the large molecules from simple molecules.

Catabolic pathway is the process that breaks down large molecules into smaller molecules.

Anabolic and catabolic pathways are both opposite to each other.

Answer to Problem 1RE

Solution: ATP and NADPH are the two primary molecules that link anabolic and catabolic pathways. Light energy is used by plants to make ATP and NADH, which are further used to make carbohydrate compounds. These carbohydrates are the source of energy for other organisms.

Explanation of Solution

All the metabolisms are linked to photosynthesis in one way or another. ATP and NADH are the two very important molecules that link all the metabolism pathways. ATP is the currency of energy, which is able to store and transfer energy within the cells. NADH, nicotinamide adenine dinucleotide, is a form of coenzyme found in all organism.

Conclusion

ATP and NADH both are forms of energy.