Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/9

Click to flip

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.