Skip to main content
coenzyme Q

coenzyme Q

6.2
A molecule in cells that helps make energy by transferring electrons
  • noun
  • /ˈkoʊɛnzaɪm kjuː/
  • Specialized
translation icon : coenzima Q
  • In humans, coenzyme Q is essential for maintaining mitochondrial health and optimizing energy levels.

Examples

  • And then there's coenzyme Q which also floats within the membrane.

  • HMB may also influence mitochondrial function through an increase in coenzyme Q.

    Blog text (23)
  • The mitochondria in our cells produce energy thanks to coenzyme Q, which transfers electrons during cellular respiration.

  • Dietary supplements containing coenzyme Q may help improve heart health by promoting efficient energy metabolism in heart cells.

Synonyms

coenzyme
vscoenzyme Q
  • Specialized
1 6.7

A small molecule that helps an enzyme work by carrying chemical parts or electrons

is a specific quinone type used mainly to carry electrons in respiration
quinone
vscoenzyme Q
  • Specialized
1 9.6

A yellow chemical with two ketone groups used to make dyes and found in living things

refers to those molecules with that chemical form used as electron carriers in respiration
ubiquinone
vscoenzyme Q
  • Specialized
9.9

A molecule in cells that helps make energy by moving electrons between other molecules

refers to the whole group of similar quinone electron carriers

Surface Forms

coenzyme Q singular
coenzymes Q plural

Morphology

coenzyme + Q

The element 'coenzyme' makes the class clear — a molecule that assists enzyme function — and 'Q' functions like a subtype label, so a learner can infer this is a particular coenzyme. However, the specific meaning (that it refers to quinone compounds such as ubiquinone involved in electron transfer/cellular respiration) is technical and not derivable from the letter 'Q' alone, so full interpretation requires specialised knowledge.

Etymology

Coenzyme Q gets its name from two parts: coenzyme (a helper for enzymes) and Q, short for the chemical 'ubiquinone' because it is found in many cells. So the name tells you it is a small helper molecule that works with enzymes to move tiny particles called electrons and help make the cell's energy.