Topic 1 Practice Review
The questions in this review refer to topic 1: Biochemistry and the Molecules of Life
Water is a _____ molecule, which lends it to many important properties.
Compounds like H2O and CO2 would be ______, which compounds like C6H12O6 and C2H5O2N would be _____.
Due to maximizing the number of _____ bonds, solid water is actually less dense than liquid water
A macromolecule contains the elements C,H, and O. It is a polymer of hexagonal rings, and the elements come out to a ratio of ~1:2:1. Which macromolecule would this be?
A monomer is to a polymer as...?
a polysaccharide is to a monosaccharide
a nucleotide is to nucleic acid
a lipid is to a carbohydrate
a protein is to an amino acid
Which of the following is not a part of an amino acid?
radical (r) group
The "lock and key" model refers to
monomers and polymers
an enzyme and a substrate
Hydrolysis involves the _____ of water to _____ a polymer.
removal; break up
addition; break up
addition; build DNA
Glucose, a carbohydrate monomer, would be referred to as a(n)
Biological protein catalysts speed up reactions by
lowering activation energy
increasing the reaction temperature
decreasing the amount of reactant collisions
all of the above