Carbohydrates
What are the atoms make up carbs?
C H O
What atoms make up lipids?
C H O
What atoms makeup proteins?
C H O N and sometimes S
How many minutes does the Benedict test sit in the water bath?
5 min
What atom does protein have that the other biomolecules don't have?
N
What are the 3 categories of carbohydrates?
Monosaccharides, Disaccharides, Polysaccharides
What are the monomers for lipids?
Glycerol and Fatty Acids
How many different amino acids are there?
20
Which tests did you do during the lab that was not in the gizmo?
Brown bag and glucose test strip
What atom is most associated with organic chemistry?
Carbon
What are 2 examples of monosaccharides?
Glucose, fructose, galactose
What is the difference between saturated and unsaturated fats?
Saturated fats have an extra carbon, while unsaturated fats in missing a carbon causing there to be a double bond and a bend in the structure.
What type of bonds are amino acids held together by?
peptide bonds
Which test's negative results are blue?
Benedict's and Biuret
4
What relationship do carbs have with water?
Hint: use a vocabulary word
hydrophilic
List at least 3 functions of lipids?
long term energy, padding, protection, insulation
What is the protein structure called when it looks like beads on a string?
primary structure
If your glucose test is positive. What other test has to to be positive?
Benedict's
Which biomolecule provides the most energy and why?
Lipids because they have the most carbon
Give an example of a chemical formula for carbs?
C:H:O 1:2:1 ratio
Phospholipids make up the cell membrane. Describe their structure.
Two fatty acid tails and a phosphate group creating polar and nonpolar regions
What are the 4 groups attached to the central carbon in amino acids?
Carboxyl group
Amine group
H
R group
What do each one of these tests, indicate for?
Benedict's Test, Lugol’s Iodine, Brown Bag Test and Biuret Test
Simple sugar, complex sugars, lipids, protein
What are isomers?