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Proteins
Test Description: Organic Compounds / Biological Macromolecules Review
Instructions: Answer all questions to get your test result.
1) Which of the following accurately represents the monomers of proteins?
A
nucleotide
B
amino acid
C
monosaccharide
D
triglyeride
2) To test for the presence of proteins
A
Biuret's reagent is used
B
Benedict's solution is used
C
Sudan IV is used
D
Lugol's iodine is used
3) The bonds that join amino acids are
A
hydrogen bonds
B
peptide bonds
C
amino bonds
D
covalent bonds
4) Which of the following correctly identifies the function of proteins?
A
long term energy storage, insulation, and protective coatings
B
structure and cell metabolism
C
storage of genetic information
D
energy storage and release for metabolism
5) A polypeptide is formed by the
A
joining of many amino acids
B
joining of 2 amino acids
C
joining of monosaccharides
D
joining of nucleotides
6) Which of the following is an example of a protein?
A
beef fat
B
butter
C
hemoglobin
D
DNA
7) In the presence of proteins, Biuret's reagent will turn
A
red
B
reddish-orange
C
purple-violet
D
bluish-black
8) Enzymes are proteins that act as biological catalysts to
A
release energy
B
create energy
C
speed up the rate of chemical reactions
D
provide insulation
9) Which portion of an amino acids differs?
A
R-group
B
amino group
C
carboxyl group
D
central carbon
10) Which compound results from the joining of two amino acids?
A
disaccharide
B
dipeptide
C
peptide
D
polypeptide
*select an answer for all questions
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