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.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




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