Energy Transfer in Cells

What is Energy Transfer in Cells?

The energy released when glucose is broken down in respiration is transferred to the work a cell must do: contraction of muscle, synthesis of proteins from amino acids, cell division, growth, active transport of substances against a concentration gradient, conduction of electrical impulses along neurones, and the maintenance of a constant body temperature in mammals and birds. Energy is released and transferred, never created or destroyed, so a cell that stops respiring quickly stops doing all of these things.

This definition is part of the Respiration chapter in Cambridge O Level Biology.

Concepts related to Energy Transfer in Cells

• Active Transport
• protein synthesis
• thermoregulation