Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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


What are the two types of cells? Animal and Plant Cells
What organelle controls what goes in and out of a cell? plasma membrane
What cells have chloroplasts and cell walls? plant cells
Which cells are specialized for engulfing foreign material? White blood cells
Which cell organelles contain instructions for making proteins? Nucleus
What forms of cellular transportation helps human cells maintain their sodium and potassium concentration? A cell membrane pump
What helps a cell maintain a relatively constant internal temperature Homeostasis
To enter or leave a cell, substances must pass through what? The plasma membrane
Which of the following types of cells possess a large quantity of mitochondria? Muscle cells
Why doesn't every cell in the body respond to every hormone signal? Not all cells have receptors for every hormone.
Which of the following organelles convert solar energy into glucose and oxygen? Chloroplasts
Which cell organelles are responsible for making most of the cell's ATP? Mitochondria
The DNA of a cell is organized into structures. What are these structures called? Chromosomes
How does the cell use ATP? ATP is used to power almost all energy-requiring reactions in the cell.
Which of a cell's organelles releases energy stored in food? Mitochondria
_______ are RNA and protein complexes that are found in all cells. Ribosomes
What is a hormone? A chemical that is used by cells for communication
What organelle is not found in animal cells? A large vacuole
What are the main ways in which animals cells are able to communicate with each other? Through nerve impulses and hormones
What cell part receives nerve impulses and hormones from other cells? Receptor molecules on cell membranes
What does a cell wall do? It protects and supports the cell
Why are chloroplasts important? They make water, sunlight, and sugar into energy
What are plant cells? Very small parts that make up a plant
What happens when a vacuole releases its store of water? The plant wits
Created by: 1342920
Popular Biology sets




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:
restart all cards