Organic matter, which is the main source of energy in the cell …

Carbohydrates are organic substances that are the source of energy for any cell. There are many different carbohydrates. They can be produced both by the cell itself, if the organism is an autotroph, or they can enter the organism already in a ready-made form, if the organism is a heterotroph. Heterotrophs eat autotrophs. So they get the necessary substances that they themselves are not able to synthesize. Carbohydrates can be broken down into smaller and simpler substances under the action of various enzymes.



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