Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
What is a cofactor?
|
Non-protein molecule aids in substrate binding or stabilizing the active confirmation
|
|
|
Apoenzyme
|
Enzyme devoid of its cofactor
|
|
|
Holoezyme
|
Enzyme that has its cofactor
|
|
|
Coenzymes
|
Small, organic, non-protein molecules that serve as electron acceptors
|
|
|
Give 4 examples of coenzymes
|
1. NAD
2. Biotin 3. Vitamin B12 4. Coenzyme Q |
|
|
How is Km related to the affinity of an enzyme for a substrate?
|
High Km = Low Affinity
Low Km = High Affinity |
|
|
Define zymogen
|
An enzyme that is secreted in inactive form. Ex. pepsinogen, trypsinogen, chymotrypsinogen
|
|
|
This type of inhibitor binds to the active site of enzyme
|
Competitive
|
|
|
This type of inhibitor can not be overcome by adding more substrate
|
Noncompetitive.
|
