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Enzymes
Enzymes
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A #biology #quiz to introduce the basics of enzymes to #S3 students
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What determines the shape of a protein?
The temperature
The amino acid sequence of the protein
The location in the cell where protein is assembled
The function the protein carries out
2
Proteins are made up of amino acids , which are held together by what type of bond?
Hydrogen
Van der Waals
Ionic
Peptide
3
What effect does denaturation have on the activity of an enzyme?
Increased
No change
Decreased
4
What two factors affect enzymatic activity?
Temperature and pH
Temperature and Carbon dioxide
Amount of enzyme and Water concentration
pH and oxygen concentration
5
What is the pH range of Alkaline phosphatase?
pH 7-10
pH 4-10
ph 1-4
pH 9-10
6
Which type of substance are enzymes made of?
Cellulose
Fats
Protein
Carbohydrates
7
Which enzyme carries out a synthesis (building) reaction?
Pepsin
Catalase
Amylase
Cellulose Synthase
8
Pepsin will break down proteins into what 2 compounds?
Glucose and Cellulose
Oxygen and Water
Simple sugars and Maltose
Peptides and Amino Acids
9
Which of the following is NOT a function of protein molecules?
Fights infection and is found in our white blood cells
Acting as enzymes
Carrying chemical messages from one organ to another
Storing genetic information
10
What is the optimum pH of the Enzyme?
6
10
2
8
11
Amylase breaks down which substrate?
Starch
Glucose
Pepsin
Maltose
12
What describes the relationship between the active site of an enzyme and its specific substrate
Covalent
Complementary
Denatured
Perfect fit
13
What term describes the conditions in which an enzyme is most active?
Complementary
None of the above
Specific
Optimum
14
Whats the optimum pH of Amylase?
8
6
10
2
15
What is the name of a substance upon which an enzyme acts?
Biological Catalyst
Substrate
Product
Amino Acid
