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.

Bio-Cell structure and function - ch3

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
cell membrane   a double layer of phospholipids that forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of a cell.  
🗑
cytoplasm   the region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus.  
🗑
nucleus   in a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth, metabolism, and reproduction.  
🗑
prokaryotic cell   a cell that has no nucleus and has no membrane-bound organelles: examples include bacteria and archaea.  
🗑
eukaryotic cell   a cell that has a nucleus and other membrane bound organelles: examples include plant and animal cells  
🗑
phospholipid   a lipid that contains a phosphorus and that is a structural component in cell membranes.  
🗑
ribosome   a cell organelle composed of RNA and protein; the site of protein synthesis.  
🗑
mitochondrion   in eukaryotic cells, the cell organelle that is surrounded by tow membranes and that is the site of celluar respiration, which produces ATP  
🗑
endoplasmic reticulum   a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.  
🗑
Golgi apparatus   cell organelle that helps make a package materials to be transported out of the cell.  
🗑
lysosome   a cell organelle that contains digestive enzymes.  
🗑
cytoskeleton   the cytoplasmic network of protein filaments and tubes that plays an essential role in cell movement, shape,and division.  
🗑
cell wall   a rigid structure that gives protection, support, and shape to cells.  
🗑
chloroplast   an organelle found in plant and algae cells where photosynthesis occurs.  
🗑
vacuole   organelle that is used to store materials such as water, food, or enzymes that are needed by the cell.  
🗑
fluid mosaic model   model that describes the arrangement and movement of the molecules that make up a cell membrane.  
🗑
selectively permeable   condition or quality of allowing some, but not all, materials to pass through the boundary or membrane.  
🗑
receptor   protein that detects a signal molecule and performs an action in response  
🗑
passive transport   the movement of substances across a cell membrane without the use of energy by the cell  
🗑
diffusion   the movement of particles from regions of higher density to regions of lower density  
🗑
concentration gradient   a difference in the concentration of a substance across a distance (or membrane)  
🗑
osmosis   the diffusion of water or another solvent from a more dilute solution to a more concentrated solution through a membrane the is permeable for the solvent  
🗑
facilitated diffusion   the transport of substances through a cell membrane along a concentration gradient with the aid of carrier proteins  
🗑
active transport   the movement of chemical substances, usually across the cell membrane, against a concentration gradient; requires cells to use energy  
🗑
endocytosis   the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.  
🗑
exocytosis   the process by which a substance is released from the cell through a vesicle that transports the substance to the cell surface and then fuses with the cell membrane to let the substance out  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
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
Created by: lpgullett
Popular Biology sets