Bosh miya yarim sharining po’stloq qismi, uning tuzilishi. Reja

energy transforming (catabolic) metabolism. Anabolism (constructive metabolism)

includes the production of cellular substances, i.e., the synthesis

of endogenous (the body’s own) substances (.e. g., proteins, carbohydrates,

fats) involved in the growth of the organism.

In general we call processes in which substances foreign to the body

are transformed into the body’s own substances assimilative energy-consuming

(anabolic) processes. In plants assimilation (photosynthesis) involves

capturing energy from sunlight, by which energy-poor inorganic

substances are transformed into energy-rich organic substances (autotrophic

organisms). Heterotrophic organisms, such as humans and ani-