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

Unit 3 Biochemistry

QuestionAnswer
What are elements? pure substances that cannot be broken down
96% of the mass of life is made of these 6 elements (HINT: CHONPS) Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur
What is an atom? the simplest particle of an element
What is an Ion? an atom that gains or loses an electron or electrons
What is a positive ion? an ion that has lost one or more electrons
What is a negative ion? an ion that has gained an electron
How do ionic bonds form? positively charged ions are attracted to each other
How does a covalent bond form? atoms share electrons to achieve a full electron shell
What are the properties of water? Cohesive, Adhesive, Solvent, Expands when frozen, High specific heat, absorbs heat when evaporated
What is capillary action? water flows up narrow tubes against gravity because of adhesion to tube and cohesion to water above
What is surface tension? surface of water behaves like an elastic film because of cohesion of surface water
What are macromolecules made out of? carbon and hydrogen
What is the monomer of carbs? monosaccaride
What is the structure of carbs? rings of carbon
What is the main function of carbs? store energy
What is the monomer of lipids? fatty acids
What is the structure of lipids? long carbon chains
What are the main functions of lipids? energy, insulation, cell membrane
What is the monomer of nucleic acids? nucleotides
What is the structure of nucleic acids? long strands
What is the main function of nucleic acid? carry genetic info for making proteins
What is the monomer of proteins? amino acids
What is the structure of proteins? complex folded shapes
What are the mains functions of proteins? structure, transport, movement, defense, regulation of cell functions
What factors affect enzyme activity? temperature and pH
What are the most important elements for life? CHONPS (Carbon, Hydrogen, Oxygen, Phosphorus, Sulfur)
How many bonds can carbon form? 4 covalent bonds
What kind of molecule is an enzyme? protein
Created by: rachelme
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