Questions and answers

Enzymes

All questions and answers from this set. Questions about enzymes and reactions.
Questions: 19 Played: 1768 times
Question 1
Substance that speeds up the rate of a chemical reaction
catalyst
Question 2
A substance produced in a chemical reaction
Product
Question 3
Large organic compounds that enzymes are made from
protein
Question 4
A change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).
Denature
Question 5
Reactant of an enzyme-catalyzed reaction:
substrate
Question 6
pH between 0-7
Acid
pH between 7-14
Base
pH of 7
Neutral
Question 7
Temperature at which an enzyme works the best
optimal temperature
Question 8
A substance that slows down or stops a chemical reaction
inhibitor
Question 9
Three factors that affect enzyme activity:
pH
temparature
concentration
Question 10
Specific part of an enzyme where a substrate fits:
Active site
Question 11
The minimum amount of energy required to start a chemical reaction
activation energy
Question 12
Without the presence of enzymes, the reactions necessary to sustain life would require .... in order to occur.
Question 13
With what 3 letters do enzymes typically end?
-ase
Question 14
With what 3 letters do substrates typically end?
-ose
Question 15
Based on the graph, what is the optimal temperature for this enzyme?
30°C
Question 16
Which of these is NOT true?
Enzymes can only be used once in a chemical reaction
Question 17
The pH at which an enzyme is most efficient is called the .... pH of an enzyme
Question 18
Enzymes speed up reaction rates by changing...
activation energy
Question 19
The current model of enzyme action is referred to as the
Induced Fit Model