WorksheetsChapter 8 Enzyme and Metabolism Quiz
Total questions: 25
Worksheet time: 13mins
What type of reaction releases energy?
exergonic
endergonic
anabolic
metabolic
Which type of reaction is photosynthesis?
catabolic
anabolic
What type of reaction is cellular respiration?
catabolic
anabolic
All the chemical reactions in the body is known as
catabolism
anabolism
metabolism
enzymatic
Which type of macromolecule are most enzymes?
carbohydrates
lipids
nucleic acids
proteins
Which type of reaction causes ATP to form ADP + P?
dehydration synthesis
hydrolysis
anabolic
endergonic
Which part of the enzyme is the place where the substrate attaches?
enzyme
products
activation site
active site
Which of the following is false?
Enzymes are specific.
Enzymes work at a particular pH.
All enzymes are catalysts.
Enzymes raise the activation energy.
Which reaction is considered an "uphill" or endergonic reaction?
cellular respiration
ATP --> ADP + P
photosynthesis
combustion
Which type of inhibitor mimics the substrate and gets into the active site to slow down the reaction?
noncompetitive inhibitor
competitive inhibitor
What does pepsin break down?
protein
carbohydrates
sucrose
lipids
What does lipase break down?
proteins
carbohydrates
lactose
lipids
What is a biological catalyst that is unchanged in the reaction?
enzyme
inhibitor
competitor
substrate
Changes in pH and temperature can cause an enzyme to
puncture
lyse
denature
fold into a quaternary structure
What is the optimal pH for this enzyme?
6
9
10
7
After an enzyme and substrate bond together and perform a reaction, what does the substrate become?
an enzyme
a product
an active site
another substrate
Which letter represents the product?
A
B
C
D
Endergonic reactions
absorb energy
release energy
Which type of reaction is this?
catabolic
anabolic
Which letter represents the activation energy With an enzyme?
A
B
C
What is it called when a phosphate group from ATP is transferred to another molecule?
phosphorylated
endergonic
energy transfer
catalysis
Which type of reactions require enzymes to catalyze them?
anabolic
catabolic
all reactions
What type of energy is in a mole of glucose?
kinetic energy
potential energy
Enzymes lower the energy of activation.
True
False
Many enzymes end in -ase.
True
False
