Sign In



Remember Me

MedlinePlus®

A service of the National Library of Medicine.

Resource Library


Powered by Dorland's Medical Dictionary for Healthcare Consumers
 

This information is provided by an independent source. Merck & Co., Inc. is not responsible for this content. Please discuss any and all treatment options with your healthcare professional. The manufacturer of a product generally has the most complete information about that product.
 
Return to Main Index >> How to Use  
 


Dorland Logo
A |  B |  C |  D |  E |  F |  G |  H |  I |  J |  K |  L |  M |  N |  O |  P |  Q |  R |  S |  T |  U |  V |  W |  X |  Y |  Z

 
coenzyme (ko-enīzīm)   an organic molecule, usually containing phosphorus and some vitamins, sometimes separable from the enzyme protein; a coenzyme and an apoenzyme must unite in order to function (as a holoenzyme).
 

coenzyme A(CoA)    a coenzyme essential for carbohydrate and fat metabolism; among its constituents are pantothenic acid and a terminal SH group, which can form linkages with various acids, such as acetic acid (acetylcoenzyme a) and fatty acids (acyl CoA).

coenzyme Q  any of a group of related substances found in the lipid fraction of mitochondria and serving, along with the cytochromes, as an intermediate in electron transport; they are similar in structure and function to vitamin K1. Called also ubiquinone.





Elsevier Logo
Copyright 2007. An Elsevier publication. All rights reserved.
Click here for important legal information about Dorland's Medical Dictionary.

 
 
    Print This Page   Add To My Folder