What element is the backbone of all organic compounds?
a) oxygen
b) carbon
c) hydrogen
d) nitrogen
What is the monomer for proteins?
a) oxygen
b) amino acids
c) nitrogen
d) nucleic acids
What is the monomer for DNA molecules?
a) RNA
b) amino acids
c) nucleotides
d) phosphates
What is an example of a monomer for carbohydrates?
a) fructose
b) glucose
c) ribose
d) all of the above
What is an example of a Disaccharide?
a) sucrose
b) glucose
c) ribose
d) fructose
Which of the following a polysaccharide?
a) carbon
b) fructose
c) starch
d) glucose
DNA differs from RNA in the
a) type of phosphate
b) the nucleotides
c) number of carbons
d) energy needed
Triglycerides are usually found in
a) unsaturated fats
b) saturated fats
c) both
d) neither
phospholipids make up your
a) cell membranes
b) cell walls
c) proteins
d) DNA
Unsaturated fats have double carbon bonds
a) True
b) False
The glycerol head of a fatty acid is hydrophobic
a) True
b)falso
What are 2 ways to denature a protein or enzyme?
a) Add ice or cold water
b) Soap or detergents
c) Heat and Acids
d) disliking chemistry and biology
Water molecules easily form hydrogen bonds with each other due
to the fact that it is a
_________ substance.
a) nonpolar
b) polar
c) cool
d) boring
Which of the following is a property of water?
a) adhesion
b) cohesion
c) high heat capacity
d) all of the above
In dehydration reactions, the solution _____________
a) loses a water molecule
b) gains a water molecule
c) remains the same
Plant cells have which of the following that is not found in
animal cells?
a) mitochondria
b) cell membrane
c) chloroplasts
d) ribosomes
Prokaryotes differ from eukaryotes in that
a) they have cell walls
b) are not alive
c) do not have membrane-bound organelles
d) can change color