True or False:
Glycogen and starch are two examples of structural
polysaccharides.
False
Not structural, but storage.
Cellulose & chitin are structural polysaccharides.
What is the name of the bond that forms between glycerol and a fatty acid?
ester bond
What is the name of the protein molecules that assist in the proper folding of other proteins?
Chaperonins
DNA is made up of monomers called ________.
nucleotides
Which type of bond must be broken for water to
vaporize (liquid -> gas)?
H-bonds
What reaction breaks down a polymer?
hydrolysis
At room temperature, a fatty acid with a double bond is found in what form (solid, liquid, gas)?
liquid
Denaturation of proteins is accomplished by breakage of many bonds, EXCEPT for ___________bonds.
peptide bonds
What are the three components of a nucleotide?
Phosphate group, pentose sugar, nitrogenous base
What 2 properties of water allow for capillary action?
Cohesion & Adhesion
The carbohydrate starch is made up of two different polysaccharides: 1) amylopectin and 2) amylose. Which one is branched? Which one is linear?
branched = amylopectin
linear = amylose
What type of lipid forms the bilayer arrangement found in cell membranes?
phospholipids
Correct the following statement:
The primary structure of a protein is held together by hydrogen bonds between amino acids.
The secondary structure of a protein is held together by hydrogen bonds between amino acids.
OR
The primary structure of a protein is held together by peptide bonds between amino acids.
DAILY DOUBLE!
Name the four nitrogenous bases of DNA.
cytosine, guanine, adenine and thymine
An electrically charged rod (-) is held towards a stream of water flowing from a tap. _________ atoms in water will orient themselves towards the rod and pull the stream of water towards the rod.
Hydrogen
(due to delta +)