1. Which of the following is a polysaccharide?
A. DNA
B. cholesterol
C. starch
D. amino acid
E. triglyceride
2. Which molecule is a lipid?
A. sucrose
B. cellulose
C. water
D. polypeptide
E. steroid
3. The monomers of proteins are called
A. amino acids.
B. nucleotides.
C. glycerol and fatty acids.
D. nucleic acids.
E. monosaccharides.
4. Which of the following is a protein?
A. RNA
B. polypeptide
C. nucleotide
D. carbohydrate
E. glycogen
5. Nucleotides are the building blocks for
A. proteins.
B. steroids.
C. lipids.
D. ATP, DNA, and RNA.
E. carbohydrates.
