Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

IB Chem B HL

allosteric site area of an enzyme where non-competitive inhibitors bind
non-competitive inhibition When substances bind to an enzyme outside of the active site to inhibit its effectiveness
Competitive inhibition When a substance that is not the target substrate binds directly to the active site
Vmax the maximum rate of an enzyme under particular pH and temperature conditions
Michaelis constant Km is the substrate concentration at half of the Vmax
histones basic positively charged proteins which nucleic acids wrap around
Nucleotide a phosphate group, a pentose, and a base
triplets or codons three nucleotide sequences
Genetically modified organisms when the DNA of one species is inserted into the DNA of another species.
Biological pigments coloured compounds produced by metabolism.
Carotenes biological pigments that consist of long hydrocarbon chains containing many double bonds
Porphyrins biological pigments that consist of a complex of metal ions and a large cyclic ligand.
Anthocyanins biological pigments that are water soluble and concentrated in the vacuoles of plants producing bright colours
L-isomers the biological form of the optical isomers for amino acids
Created by: andrewweng0406



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards