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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
monosaccharide
B
nucleotide
C
triglyeride
D
amino acid
2) To test for the presence of proteins
A
Biuret's reagent is used
B
Lugol's iodine is used
C
Benedict's solution is used
D
Sudan IV is used
3) The bonds that join amino acids are
A
amino bonds
B
covalent bonds
C
hydrogen bonds
D
peptide bonds
4) Which of the following correctly identifies the function of proteins?
A
long term energy storage, insulation, and protective coatings
B
energy storage and release for metabolism
C
structure and cell metabolism
D
storage of genetic information
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
butter
B
beef fat
C
hemoglobin
D
DNA
7) In the presence of proteins, Biuret's reagent will turn
A
red
B
purple-violet
C
reddish-orange
D
bluish-black
8) Enzymes are proteins that act as biological catalysts to
A
provide insulation
B
create energy
C
speed up the rate of chemical reactions
D
release energy
9) Which portion of an amino acids differs?
A
carboxyl group
B
amino group
C
central carbon
D
R-group
10) Which compound results from the joining of two amino acids?
A
polypeptide
B
dipeptide
C
disaccharide
D
peptide
*select an answer for all questions
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