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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
amino acid
B
triglyeride
C
nucleotide
D
monosaccharide
2) To test for the presence of proteins
A
Biuret's reagent is used
B
Benedict's solution is used
C
Lugol's iodine is used
D
Sudan IV is used
3) The bonds that join amino acids are
A
covalent bonds
B
amino bonds
C
hydrogen bonds
D
peptide bonds
4) Which of the following correctly identifies the function of proteins?
A
structure and cell metabolism
B
long term energy storage, insulation, and protective coatings
C
energy storage and release for metabolism
D
storage of genetic information
5) A polypeptide is formed by the
A
joining of many amino acids
B
joining of nucleotides
C
joining of monosaccharides
D
joining of 2 amino acids
6) Which of the following is an example of a protein?
A
DNA
B
butter
C
beef fat
D
hemoglobin
7) In the presence of proteins, Biuret's reagent will turn
A
red
B
bluish-black
C
purple-violet
D
reddish-orange
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
amino group
B
carboxyl group
C
R-group
D
central carbon
10) Which compound results from the joining of two amino acids?
A
dipeptide
B
disaccharide
C
polypeptide
D
peptide
*select an answer for all questions
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