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Proteins
Test Description: A review for this unit's vocabulary quiz and unit test.
Instructions: Answer all questions to get your test result.
1) The process of changing the shape of a protein molecule without breaking its peptide bonds:
A
coagulation
B
denaturation
C
caramelization
D
crystallization
2) This element sets proteins apart from other nutrients:
A
nitrogen
B
hydrogen
C
oxygen
D
carbon
3) Very large proteins that weaken or destroy foreign substances in the body:
A
enzymes
B
antibodies
C
albumen
D
gluten
4) Egg white that contains the majority of the protein from an egg:
A
yolk
B
albumen
C
antibodies
D
chalaza
5) A protein that contains all 9 essential amino acids; mostly from animal sources:
A
incomplete protein
B
globular protein
C
complete protein
D
fibrous protein
6) A protein that is lacking one or more essential amino acids; generally includes your plant sources:
A
complete protein
B
globular protein
C
incomplete protein
D
fibrous protein
7) Changing a liquid into a soft, semisolid clot or solid mass:
A
denaturation
B
caramelization
C
crystallization
D
coagulation
8) Air bubbles incorporated and trapped in a protein film by whipping:
A
gluten
B
emulsifier
C
foam
D
gelatin
9) To break a protein down into amino acids, your body uses ____ to do this job.
A
gluten
B
enzymes
C
antibodies
D
albumen
10) Amino acids that the body needs but cannot make; you must get these amino acids in your diet:
A
incomplete
B
essential
C
complete
D
non-essential
11) How many calories are there in each gram of protein?
A
3
B
9
C
7
D
4
12) A large molecule that contains many atoms:
A
microcolecule
B
hydromolecule
C
minimolecule
D
macromolecule
13) Twisted, rope-like structure that keeps the egg yolk centered:
A
yolk
B
albumin
C
gluten
D
chalaza
14) A single protein molecule containing ten or more amino acids linked in peptide chains:
A
macropeptides
B
polypeptides
C
monopeptides
D
dipeptides
15) Bonds that hold amino acids together:
A
hydroxyl bonds
B
hydrogen bonds
C
peptide bonds
D
carboxyl bonds
16) Protein molecules that have a structure that can be compared to a ball of steel wool; an example includes hemoglobin:
A
fibrous protein
B
triangular protein
C
globular protein
D
complete protein
17) Protein molecules that form rope-like fibers; examples include collagen and elastin:
A
fibrous protein
B
globular protein
C
triangular protein
D
complete protein
18) The building blocks of protein:
A
starch
B
glucose
C
amino acids
D
fatty acids
19) An elastic substance formed by mixing water with the proteins found in wheat:
A
dough
B
foam
C
gluten
D
albumen
20) A protein's _______ determines its function.
A
color
B
shape
C
size
D
atoms
*select an answer for all questions
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