Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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
share
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

BI Lab 3

TermDefinition
biochemistry the study of the chemistry of living organisms
carbohydrates larger organic compounds made of sugars
lipids larger organic compounds made of fatty acids
proteins larger organic compounds made of amino acids
nucleic acids larger organic compounds made of nucleotides
indicator a chemical (or mixture of chemicals) that causes a characteristic color change when mixed with a specific type of organic molecule
positive control uses an indicator with a sample known to have the substance for which you are testing; you will be certain your test is accurate, that your indicator is working, and that you know what color indicates the presence of the substance
negative control uses an indicator with a sample that will not react with the indicator; most cases, will be water, which contains none of the substances for which u are testing; u will be certain that u know what color indicates the absence of the substance
Lugol's solution (IKI) contains iodine, which will react with starch; the normal amber color will turn blue-black in the presence of starch
Benedict's solution used to test for the presence of glucose
Biuret Reagent used to test for the presence of proteins
acids substances that release hydrogen ions when dissolved in water
base any substance that releases hydroxide ions in water
pH scale measures the hydrogen ion concentration of a solution
0, most acidic, to 14, most basic range of pH scale
Created by: pace_sauce
 

 



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