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

Unit 3 cytology

Bruton unit 3 cytology flashcards for unit test

QuestionAnswer
Substances that cannot be broken down into simpler substances are called **elements
The smallest amount of an element? **atom
There are approximately 100 naturally occurring elements, How many of these are essential to living things? **25
What are the 4 most common elements in living things? **carbon **oxygen **hydrogen **nitrogen
What is measured by pH? acidity
The pH scale ranges between and 0-14
If the pH is less than 7 the substance is ** Give an example **acidic hydrochloric acid
If the pH is greater than 7 the substance is ** Give an example ** **basic **sodium hydroxide
If the pH is exactly 7 the substance is ** Give an example ** **neutral **water
What is the study of cells? (prefixes/suffixes) **cytology cyt=cell logy=the study of
Define Cells **the basic units of living organisms
What invention allowed the discovery of cells? microscopes
Who is credited with discovering and naming cells? ** Robert Hooke
What type of cells did Hooke observe? cork
Why did Hooke call them cells? they reminded him of the small rooms monks lived in at a monastery
What is the contribution of Dujardin? He was a frenchman who was the first person to view living cells and say they were alive
What is the contribution of Schleiden? He concluded all plants are made of cells
What is the contribution of Schwann? He concluded all animals are made of cells
What is the contribution of Rudolph Virchow in relation to the cell? All cells come from other cells
What is stated by the Cell Theory? **1. All organisms are composed of one or more cells. 2. The cell is the basic unit of structure and organization of organisms. 3. All cells come from preexisting cells.
What determines the size of an organism? The number of how many cells make up the organism
Define Organelle small and specialized structures in a cell
What are Eukaryotic Cells? Cells that have membrane-bound organelles
What are Prokaryotic Cells? Cells that do not have membrane-bound organelles (bacteria)
What is Specialization? The division of labor
What is the advantage of specialization? The cell can get really good at that job(not necessarily do it faster
What is the disadvantage of specialization? The cell becomes dependent on the other specialized cells and would die alone (interdependence)
What are the 5 levels of specialization? cell-no specialization tissues- a group of cells with one purpose organs- several tissues organ system- several organs doing the same thing (digestive system) complete organism-
Created by: sarah700
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