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Protein Review
Test Description: Review of proteins
Instructions: Answer all questions to get your test result.
1) What elements are present in proteins?
A
C, H, O, N, S
B
C, H, O, N
C
C, H, O, P
D
C, H, O
2) What is a protein?
A
polymer of amino acids
B
monomer of amino acids
C
monomer of monosaccharides
D
polymer of monosaccharides
3) How is a polymer of amino acids created?
A
hydrolysis reaction
B
dehydration synthesis reaction
C
covalent reaction
D
ionic bond reaction
4) What kind of bond holds together amino acids in a protein?
A
water bond
B
peptide bond
C
ionic bond
D
hydrogen bond
5) What is a dipeptide?
A
two sugar molecules bonded together
B
two starch molecules bonded together
C
two carbohydrate molecules bonded together
D
two amino acid molecules bonded together
6) Where are proteins made in the cell?
A
in the cytoplasm
B
in the ribosome
C
in the golgi apparatus
D
in the nucleus
7) What determines how a protein will be shaped and function?
A
the shape of the dipeptide bond in the chain
B
the chemical properties of the dipeptide bond in the chain
C
the sequence of monosaccharides in the polypeptide chain
D
the sequence of amino acids in the polypeptide chain
8) What factors can change the function of a protein?
A
pH of the DNA in the nucleus of the cell
B
temperature of the DNA in the nucleus of the cell
C
temperature, pH, DNA mutation
D
chemical bonding of hydrogen bonds in the polypeptide
9) When protein shape has changed, it is said to be ____.
A
denatured
B
natured
C
bynatured
D
optinatured
10) A food sample is tested with Bendict's solution. It changed from blue to red. Does this sample contain protein?
A
No, Benedict's is used to test for monosaccharides
B
No, it turned another color
C
Yes, it changed from blue to red.
D
Yes, Benedict's is used to test for proteins
11) A sample of food is tested with Biuret solution. It changed from blue to purple color.
A
This sample does not contain protein
B
This sample contains protein
C
Do not have enough information to determine
D
Biuret solution is used to test for monosaccharides
12) The most important function of proteins is ....
A
provide molecule transport across cell membrane
B
provide the body with structure
C
provide the body with muscles
D
provide the body with enzymes
13) Which of the following is NOT a function of proteins?
A
provide structure
B
provide vitamins
C
provide enzymes
D
provide transportation across cell membrane
*select an answer for all questions
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