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

CELLS Bio #1

Cells

QuestionAnswer
CELL THEORY (3 things) All living organisms composed of 1 or more cells Cells are basic unit of structure & organization of all living organisms Cells arise only from previously existing cells, with cells passing copies of their genetic material on to their daughter cells
Nuclear membrane hold nucleus together
Nucleolus spherical body within the nucleus in which the ribosome are made
Nuclear pore minute hole in nuclear membrane that allows transport of substances in and out of the nucleus
Chromosomes contains code which guides all cell activity
Genes units of heredity
ribosomes FUNCTIONS make proteins Found in all cells prokaryotic & eukaryotic Some ribosomes float freely in cytoplasm Some ribosomes are attached to rough endoplasmic reticulum
Endoplasmic Reticulum FUNCTION carbohydrate and lipids r synthesized in the er. Cells transport system ROUGH ER - contains ribosomes SMOOTH ER NO Ribosomes
Golgi complex FUNCTION - modifies and packages proteins into vesicles (sacs) for transport
Liposomes Digest unwanted material Digestion system
Mitochondria FUNCTION -- the powerhouse of the cell Where cellular respiration occurs Breaks down food to make ATP
ATP is the major fuel for all cells activities that require energy
VACUOLES FUNCTION -- sac used to store water and dissolved minerals this is what makes lettuce crisp when there is no water, the plant wilts.
Centrioles FUNCTIONS -- structure involved in cell division in animal cells
CHLOROPLASTS FUNCTION Food for plant cells is made here Chloroplasts r used in photosyn to trap sunlight Chloroplast contains thylakoids which contain chlorophyll traps light Chlorophyll is a plastid Plastids are organelles that store food or contain pigme
Cell Wall Function - provides support & protection to the cell membrane found outside the cell membrane in plant cells Made of cellulose which is a carbohydrate Other parts of the cell
Cilia FUNCTION -- short projections that look like hairs
Flagella Function - long projections that look like hair These are both used in movement of the cell
Diffusion particles move from areas of higher concentration to areas of lower concentration. Facilitated Diffusion uses transport proteins to move molecules across the membrane
Osmosis diffusion of water across a selectively permeable membrane
Endocytosis process by which a cell takes particles in the cells
Endocytosis Process by which a cell takes particles in the cells
Exocytosis process by which cells expel particles
Active transport requires energy, movement of particles from low to high. Goes against the gradient
Isotonic cell is at equilibrium there is no net movement of water
Hypotonic concentration of SOLUTE OUTSIDE the cell is LOWER than INSIDE
HyPERtonic concentration of the solute OUTSIDE the cell is HIGHER than inside. Net movement of water is OUT OF THE CELL
Hypotonic (Water) Water -- more out less in. Water MOVES IN SOLUTE Lower out, higher in
Hypertonic (Water) Water -- Less out, More In Water MOVES OUT Solute Higher out lower in
Photosynthesis Sunlight is turned into food occurs in chloroplasts chloroplasts are found mostly in the leaves chlorophyll (green) is the pigment that allows plant to capture sunlight
Metabolism all of the chemical reactions in a cell
Respiration break down of organic compounds into energy this energy is known as ATP
ATP most important biological molecul provides chemical energy
Aerobic respiration requires oxygen
Anaerobic respiration no oxygen required
Created by: peter.toso
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