Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Enzymes

QuestionAnswer
What are enzymes? are substances that cause chemical reactions to occur faster
What do enzymes do? decreasing the amount of energy needed to activate the chemical reaction
What are enzymes also called? A catalysts
What are many of the cells catalyzed by? enzymes
Why are enzymes important? cells would not be able to perform metabolism quickly enough to support life.
What are most enzymes made of? proteins
What are enzymes produced by? enzymes are produced by a cell’s ribosomes.
What are substrates? specific enzymes to act on specific substances
What are enzymes also important for? Enzymes are also important for the synthesis of new molecules
Example of the importance of enzymes. For example, RNA polymerase is an enzyme that is essential to the process of transcription.
What does the shape of the enzyme determain? determines how it works
What are the folds in an enzyme? The folds make pockets, which are called active sites
What does the active site do? The active sites match folds in the substrate’s surface.
What is teh enzymes shape? An enzyme’s shape is key to how the enzyme functions.
What happens when an enzymes shape is changed? the enzyme may not function as well or at all.
What can affect the change of the active site in an enzyme? Changes in temperature and pH can affect the shape of an enzyme’s active sites.
When do enzymes work best? enzymes are only able to work properly in a certain temperature and pH range.
What are RNA polymerase is an enzyme that is essential to the process of transcription
Molecules of mRNA are..? transcribed by RNA polymerases and later new protein molecules are synthesized based on the instructions coded in the mRNA.
What are factors of enzyme? pH and tempurature
What happens to an enzyme when the active site isnt the same shape as the catalyst? the enzyme doesnt work
What is a nick-name for an enzyme? "work horse" of a cell
What is in an enzyme? Lactase
What does an enzyme breakdown? Lactose
What is it called when the active site combines with a substrait? Lock and Key
Created by: antonijaphillips
Popular Biology sets

 

 



Voices

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:
Retries:
restart all cards