Save
Upgrade to remove ads
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

HN Biology CHPT. 6

TermDefinition
Element substance that can't be broken down
Atom Smallest particle of an element
Nucleus positively charged center of an atom composed of neutrons and positively charged protons, and surrounded by negatively charged electrons.
Isotope atoms of the same element that have different numbers of neutrons in the nucleus.
Compound substance composed of atoms of two or more different elements that are chemically combined
Covalent Bond Chemical bond formed when two atoms share electrons
Molecule group of atoms held together by colvalent bonds; has no overall charge
Ion atom or group of atoms that gain or lose electrons has an electrical charge
Ionic Bond chemical bond formed by the attractive forces between two ions of opposite charge
Metabolism all of the chemical reactions that occur within an organism
Mixture combination of substances
Solution mixture in which one or more substances (solute) are distributed evenly in another substance
pH measure of how acidic or basic a solution is
Acid any substance that forms hydrogen ions (H+) in water and has a pH below 7
Base any substance that forms hydroxide ions (OH-) in water and has a pH above 7.
Diffusion net movement of particles from an area of higher concentration to area of low concentration.
Dynamic equilibrium movement but no concentration change
Hydrogen Bond attraction of opposite charges between hydrogen and oxygen forms weak bond
Polar Molecule molecule with an unequal distribution of charge. (Positive and negative.)
Amino Acid basic building blocks of proteins
Carbohydrate biomolecule composed of carbon, hydrogen, oxygen with ratio of about 2 H atoms and 1 O atom for every carbon atom
Enzyme protein that changes rate of chemical reaction
Isomer compounds that have same chemical formula but different 3- dimensional structures
lipid large biomolecules that mostly made of C and H and small amount of O.
Nucleci Acid complex biomoleucule that stores celluar info. in form of code
Nucleotide nucleic acids are polymers made of smaller subunits
Peptide Bond covalent bond formed between animo acids
Polymer a large molecule formed when many smaller molecules bond together
Protein large complex polymer composed of C, H. O, N and sulfur
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