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

Bio Ch 4

virus and bacteria

Antibiotic is chemical substance that kill or slow the growth of bacteria
Asexual Reproduction is the reproducing of a living thing from only 1 parent
Bacteria is very small one-celled monerans
Biotechnology is the use of living things to solve practical problems
Blue - green bacteria is small, one-celled monerans that contain chlorophyll and can make their own food
Capsule is a sticky outer layer produced by bacteria
Colony a group of similar cells growing next to each other that do not depend on each other
Communicable disease those that can be passed from one organism to another
Decomposer living things that get their food from breaking down dead matter into simpler chemicals
Endospore a thick wall structure that forms inside a bacterial cell
Fission the process of one organism dividing into two organisms
Flagellum a whip-like thread used for movement by bacteria
Host an organism that provides food for a parasite
Interferon is a chemical substance that interferes with the way viruses reproduce
Koch’s Postulates steps for providing that a disease is caused by a certain microscopic organism
Parasite in organism that lives in or on another living thing and gets food from it
Pasteurization the process of heating milk to kill harmful bacteria
Saprophytes organisms that use dead materials for food
Vaccines substances made from weakened or dead virus that protect you against certain diseases
Virus a chromosome like part surrounded by a protein coat
Created by: hockettd
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