Proteins Vocabulary 2 Question Preview (ID: 22527)


Proteins Vocabulary Review. TEACHERS: click here for quick copy question ID numbers.

molecules that slow down the activities of enzymes by stopping substrates from reaching the active sites
a) inhibitors
b) stoppers
c)
d)

a type of reaction where enzymes help to combine smaller substrates in order to build bigger products
a) anabolism
b) catabolism
c)
d)

a type of reaction where enzymes help to break bigger molecules down into smaller products
a) catabolism
b) anabolism
c)
d)

the word used to describe an enzyme that has been misshapen due to temperature, electricity, or chemicals
a) denatured
b) essential
c)
d)

an amino acid that you have to have in your diet because your body cannot synthesize it on its own
a) essential
b) denatured
c)
d)

the -COOH group on an amino acid is the _______ group
a) carboxyl
b) amino
c)
d)

the -NH2 group on an amino acid is the _______ group
a) amino
b) carboxyl
c)
d)

the number of different amino acids that exist
a) twenty
b) thirty
c)
d)

an amino acid is to monomer as protein is to ________
a) polymer
b) monomer
c)
d)

the part of an enzyme that attaches to a substrate
a) active site
b) substrate
c) product
d)

a molecule that an enzyme acts upon
a) substrate
b) active stie
c) product
d)

Enzymes are specific
a) True
b) False
c)
d)

Enzymes cannot be reused
a) False
b) True
c)
d)

a protein that can regulate chemical reactions in the body
a) enzyme
b) substrate
c) polymer
d) monomer

a type of enzymatic inhibition where the inhibitor occupies and blocks the active site
a) competitive
b) noncompetitive
c)
d)

a type of enzymatic inhibition where the inhibitor doesn’t block the active site but changes its shape so a substrate can’t bind there
a) noncompetitive
b) competitive
c)
d)

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