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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




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

CHCS~Life Science

2017~7th~Chapter 3

TermDefinition
organism a complete living thing
cell the tiny, living, structural, and functional unit of all living things
cytoplasm all the material, except for the nucleus, inside a cell
unicellular organism a living thing composed entirely of one cell
multicellular organism a living thing that is composed of more than one cell
tissue a group of similar cells that together perform a special function
colonial organism a living thing that is composed of a group of similar cells living together
energy the ability to do work
physical life a characteristic produced when organized systems of non-living substances use energy
spiritual life man's relationship with God
cell theory the theory that all living things are mad up of microscopic units called cells
3 points of the cell theory All cells come from preexisting cells, All living things are made of cells and the product of cells, The functions of living things are preformed by the cells they are made from
molecule the smallest unit existing as a particular substance
carbohydrate a substance that contains only carbon, hydrogen, and oxygen
protein a substance made of long chains of amino acids
nucleic acid a molecule that contains the genetic information of a cell (DNA & RNA)
lipid a substance such as fat or oil
5 characteristics of living things they...have life spans, can reproduce, grow, are made of cells, require energy
2 ways organisms might obtain energy turns food into energy, gathers sunlight
4 basic functions of all living cells cells... use energy, manufacture materials, respond to their environment, reproduce themselves
4 categories of molecules found in cells carbohydrates, proteins, nucleic acids, lipids
1 function of protein in a cell life-supporting process
2 major types of nucleic acids DNA, RNA
Why do organisms need energy to live? they would die
Why do all living things need amino acids? it is necessary for a protein molecule
Why are enzymes important to living things? help change substance with out being permanently changed
Are all fats harmful? no, you need them for membranes
Created by: pigsrule150