
OCR A Level Biology - Enzymes
Authored by Leah Fowler-Roberts
Biology
12th Grade
Used 114+ times

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14 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
What are enzymes?
Biological catalysts
Inorganic compounds
Proteins
Carbohydrates
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the role of enzymes?
To speed up chemical reactions
To slow down chemical reactions
To change the nature of chemical reactions
To stop chemical reactions
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the structure of enzymes?
Globular proteins with complex tertiary structures
Linear proteins with simple structures
Fibrous proteins with quaternary structures
Nucleic acids with double helix structures
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Where are enzymes produced?
Inside cells
Outside cells
Both inside and outside cells
In the nucleus
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is an example of an extracellular enzyme?
Amylase
Insulin
Hemoglobin
DNA polymerase
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What happens to enzymes at extreme temperatures?
They denature and become non-operational
They become more active
They change their structure
They multiply
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the function of trypsin?
To break down proteins into peptides and amino acids
To hydrolyze starch into maltose
To digest fats into fatty acids and glycerol
To convert glucose into glycogen
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