Glencoe Physical Science

Chapter 24: Organic Compounds

Section 4 Self-Check Quiz-Eng.

1
__________ are formed from amino acids.
A)Fats
B)Carbohydrates
C)Lipids
D)Proteins
2
A(n) __________ is a chain of fewer than 100 amino acids linked together.
A)peptide
B)protein
C)nucleic acid
D)amine
3
The monomers that make up DNA are called __________.
A)peptides
B)nuclei
C)amino acids
D)nucleotides
4
Which of the following is a lipid?
A)fructose
B)starch
C)glucose
D)cholesterol
5
Which of the following is a carbohydrate?
A)hemoglobin
B)DNA
C)starch
D)butter
6
Which of the following is NOT obtained from petroleum?
A)saccharin
B)nucleic acid
C)colored dye
D)aspirin
7
What is the difference between a protein and a peptide?
A)Proteins are peptides containing more than 100 amino acid monomers.
B)Proteins are peptides containing fewer than 100 amino acid monomers.
C)Peptides are linked by peptide bonds, while proteins are linked by protein bonds.
D)Peptides are made up of nucleotide monomers, while proteins are made up of amino acid monomers.
8
What two groups are found in every amino acid?
A)-COOH and -OH
B)-COOH and -NH2
C)-NH2 and -OH2
D)-COOH and -NOOH
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