At high temperatures, an enzyme's rate of reaction decreases because the increased heat...

Alters the active site of the enzyme

Because an enzyme __________ after a reaction, it can __________.

Returns to its original shape; be used again

Which definition is closest to the meaning of Active Site?

The area where the substrate binds to the enzyme

The substrate changes, being broken down or recombined

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Biology Review: Enzymes

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A quick overview on the basics of enzymes #biology #enzyme

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Questions 17

Answers

1
What does the Graph show us?
Energy of an Enzyme
Complex Energy
Kinetic Energy
Activation Energy
2
In the following picture, which letters represent the 1) enzyme and 2) product?
C, B
B, D
B, C
D, A
3
True or False: An enzyme is used up in a reaction.
False
True
4
At high temperatures, an enzyme's rate of reaction decreases because the increased heat...
Alters the active site of the enzyme
Changes the pH within the system
Increases the concentration of substrates
Forces the substrate and active site to vibrate rapidly
5
Because an enzyme __________ after a reaction, it can __________.
Is destroyed; never be used again
Is not changed; not be reused
Returns to its original shape; be used again
Is fundamentally altered; be reused with the same substrate
6
The primary purpose of an enzyme is to...
Destroy dangerous parts of a cell
Enzymes do not impact a reaction
Stop or slow down a reaction from occurring
Start or accelerate a reaction
7
Which definition is closest to the meaning of Active Site?
The area where the substrate binds to the catalyst
The area where the substrate binds to the enzyme
The area where the enzyme and catalyst meet
The area where the substrate binds to the subunit
8
Most human enzymes operate under which pH?
2-3
8-10
4-5
6-8
9
Due to the shape of an enzyme, it can interact with...
Exactly one substrate <3
All substrates
Only certain substrates
Other enzymes
10
The three main environmental changes that impact an enzyme are temperature, pH, and __________.
Altitude
Enzymes are not affected by the environment
Oxygen Levels
Substrate Concentration
11
What is the ability of an enzyme to create a bigger molecule called?
Decomposition
Synthesis
Digestion
12
A(n) __________ is the reactant in an enzyme-catalyzed reaction.
Activator
Substrate
Amino Acid
Active Site
13
Enzymes are mainly which macromolecule?
Carbohydrate
Nucleic Acid
Lipid
Protein
14
When you lower the temperature an enzyme will
work slower
work faster
Stop working
15
This Suffix is associated with enzymes _____
-ase
-ose
-case
-phobic
16
Catalysis is when...
The enzyme is destroyed
The enzyme changes by being recombined
The substrate combines with the enzyme
The substrate changes, being broken down or recombined
17
When you heat an enzyme it will
Become super strong
Explode
denature (unfold)
Work faster

Biology Review: Enzymes Flashcards | StudBud