Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
Don't know (0)
Remaining cards (0)
Know (0)
0:00
share
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

Biology Flashcards

Unit 1

TermDefinition
Atom The basic units of matter.
Element A pure substance which cannot be broken down by a chemical.
Molecule An electrically neutral group of two or more atoms held together by chemical bonds.
Compound Made up or consisting of two or more existing parts or elements.
Atomic Number The atomic number uniquely identifies a chemical element.
Mass Number The total number of protons and neutrons in an atomic nucleus.
Atomic Wight The mass of an atom.
Valence Electron The outer shell electron that is associated with an atom.
Electron Has a charge of negative electricity and is found in all atoms.
Proton Has a charge of positive electricity and is found in all atoms.
Neutron Has a neutral charge of electricity and is found in all atoms.
Isotope
Radioisotope An atom that has excess nuclear energy, making it unstable.
Electron Configuration The electron configuration is the distribution of electrons.
Bond A strong force of attraction holding atoms together.
Polar Bond A covalent bond between two atoms where the electrons forming the bond are unequally distributed.
Nonpolar Bond A type of bond that occurs when two atoms share a pair of electrons with each other.
Solvent A solvent is a substance that dissolves a solute.
Solution A mixture composed of two or more substances.
Solute A solute is a substance dissolved in another substance.
Hydrophobic A property that fails to mix with water.
Hydrophilic A property that mixes with water.
Amino acid The structural units that make up proteins.
Nucleotide Nucleotides form the basic structural unit of nucleic acids.
Peptide bond A bond that links two consecutive amino acids.
Lipid Organic compounds that are fatty acids.
Saturated fat A type of dietary fat.
Saccaride Another word for sugar.
Specific heat The heat required to raise the temperature of the unit mass of a given substance.
Created by: aochoa4313
 

 



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

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

If you've accidentally put the card in the wrong box, just tap 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