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

Mod 140, Unit 2

Chapter 31: Chemistry

Amino Acids Macromolecules that make up proteins.
Anabolism To build up; the construction phase of metabolism.
Atom The smallest unit of an element.
Catabolism To break down; the destruction phase of metabolism.
Covalent Bond The sharing of electrons between two atoms.
Electron The smallest subset of an atom that contains a negative charge.
Enzyme A protein that speeds up a reaction by reducing the amount of energy required to initiate a reaction; also called a biological catalyst.
Ion An atom or group of atoms with a leftover unbalanced charge.
Ionic Bond The transfer of electrons between two atoms.
Macro Large
Metabolism The physical and chemical change that takes place within an organism.
Micro Small
Mole Avogadro's number; 6.02x10(23rd)atoms, molecules, or ions.
Molecule The smallest particle of a compound.
Neutron A subset of an atom that does not contain a charge.
Nucleic Acid The bases contained within DNA.
Orbit The rotation of electrons around the nucleus.
Proton A subatomic particle of an atom that holds a positive charge.
Created by: franknapoli



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