Biomolecule

• What does the Benedict test test for?


  monosaccharides
• What does the Lugol test test for?

  polysaccharide
• What does the Biuret test test for?

  protein
• What does the Sudan Red test test for?


  lipids
• What color does the Benedict test turn in the presence of monosaccharides?

  orange
• What color does the Lugol test turn in the presence of starch?

  purple
• What color does Biuret test turn when it is positive for protein?

  purple
• What happens to the Sudan Red test when lipids are present?

  concentrated spots appear
• What do you have to do for the Benedict test to work?

  you have to heat it
• What is an example of a monosaccharide?

  Glucose or Fructose
• What are some examples of dissacharides?

  Lactose and maltose
• What do unsaturated lipids look like?

  They have glucose and two straight fatty acids and one bent fatty acid.
• What do saturated lipid look like?


  They have glucose and three straight fatty acids.
• What is the ratio between Carbon, Hydrogen, and Oxygen in carbohydrates?

  1:2:1
• What is the monomer of carbohydrates?

  Monosaccharides
• If two monosaccharides bond, what does it become?

  a disaccharide
• What is the name for the nitrogen base 'A'?


  adenine
• What is the name for the nitrogen base 'T'?

  thymine
• What is the name for the nitrogen base 'C'?


  cytosine
• What is the name for the nitrogen base 'G'?


  guanine
• What is the name for the nitrogen base 'U'?


  uracil
• What nitrogen base is found in DNA, but not in RNA?


  thymine
• What nitrogen base is found in RNA, but not DNA?

  uracil
• What nitrogen base does adenine bond with in DNA?

  thymine
• What nitrogen base does adenine bond with in RNA?

  uracil
• What nitrogen base does cytosine bond with?


  guanine
• What nitrogen base does thymine and uracil bond with?

  adenine
• What nitrogen base does guanine bond with?

  cytosine
• How many strands are in DNA?

  two
• How many strands are in RNA?

  one
• What does DNA become?


  RNA
• What does RNA turn into?

  Protein
• What type of lipid is solid at room temperature?

  saturated fat
• What lipid is liquid at room temperature?

  unsaturated fat
• What type of lipid causes heart disease?

  saturated fat
• What type of lipid has a double bond in their chemical structure?

  unsaturated lipid
• What type of lipid do animal use to store energy?

  triglyceride
• What type of lipid is both saturated and unsaturated?

  triglyceride
• Biomolecules are molecules that are found in living organisms that those living organisms need to survive.
• The four biomolecules we're going to learn about in this unit are carbohydrates, lipids, proteins, and nucleic acids.