WorksheetsEnzymes and ATP
Total questions: 19
Worksheet time: 2hrs 37mins
The part of the enzyme where the substrate binds is called the:
active site
catalyst
inhibitor
large subunit
Some people cannot digest milk products because they lack a specific enzyme. Which enzyme would be used to break down the lactose in milk?
hydroxylase
maltase
peroxisomes
lactase
On the image, which letter represents the enzyme?
A
B
C
D
On the image, which letter represents the substrate?
A
B
C
D
On the image, which letter represents the product of the reaction?
A
B
C
D
In what way could you increase the rate of the reaction as it taking place in image C.
add more substrate
add more enzyme
Enzymes are composed of what organic molecule?
sugars
DNA
fatty acids
proteins
How do enzymes speed up chemical reaction?
Increasing activation energy
Decreasing activation energy
Increasing deactivation energy
Decreasing deactivation energy
Each enzyme only has 1 substrate that will fit its active site. What is this called?
reusability
denaturation
specificity
fragility
With what 3 letters do enzymes typically end?
-ose
-ese
-ase
-tic
Enzymes are special types of:
Sugars
Proteins
Lipids
Nucleic Acids
ATP is the Energy of the Cell.
TRUE
FALSE
Energy is released from ATP when the bond is broken between ________.
adenine and a phosphate group
two phosphate groups
ribose and a phosphate group
adenine and ribose
Which phrase best describes an exothermic chemical reaction?
Does not absorb any energy
Forms products with higher bond energy than reactants
Is in a state of equilibrium
Releases more energy than it absorbs
Chemical reactions that absorb more energy than they release are called
exothermic
catalyzed
endothermic
activated
What macromolecule is an enzyme?
carbohydrates
proteins
lipids
cells
What is a substrate?
Substrate
Co-enzyme
reactant
protein
