Physiology · Cell Biology · Hard
Phosphorylation
Meaning: The addition of a phosphate group to a molecule, key in activating enzymes and producing ATP.
In practice: Oxidative phosphorylation in mitochondria generates the majority of cellular ATP.
Quick check
Two questions on related physiology words.
Which word means: The delivery of blood through capillaries to tissues.
Answer: Perfusion
Which word means: Iron-containing protein in red blood cells that carries oxygen.
Answer: Haemoglobin
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