Define metabolism. 2. there are two types of reactions in metabolic pathways: anabolic and catabolic. a. which reactions release energy? b. which reactions consume energy? c. which reactions build up larger molecules? d. which reactions break down molecules? e. which reactions are considered ""uphill""? f. what type of reaction is photosynthesis? g. what type of reaction is cellular respiration?

Metabolism is the sum total of all the chemical reactions that occur inside the cells.

a) Catabolic pathway: release energy

b) Anabolic pathway: consume energy

c) Anabolic pathway: build up larger molecule

d) Catabolic pathway: break down molecules

e) Uphill: Anabolic

f) Photosynthesis: Anabolic

g) Cellular respiration: catabolic

Explanation:

All the chemical reactions that occur inside the cells are collectively termed as metabolism. There are two types of metabolic reactions. The reactions that break down the large molecules into the smaller ones and release the energy stored in the chemical bonds of the larger molecules are the catabolic reactions. Cellular respiration breaks down glucose into CO2 and H2O to release the energy stored in it. It is an example of the catabolic pathway.

The reactions that synthesize the larger molecules from the simpler substances are anabolic reactions. These are the endothermic reactions and therefore, are also called "uphill" reactions. An example includes photosynthesis that builds glucose from simpler substances like CO2 and H2O.

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