Worksheets3.1 Enzymes (synthesis, degradation, examples)
Total questions: 25
Worksheet time: 15mins
What do we call the substance that is acted upon by an enzyme?
Protein
Surface
Centre
Anywhere
Active Site
What is structure C?
Breaking down a large molecule into smaller molecules is an example of a...
Synthesis reaction
Degradation reaction
Building up smaller molecules into a larger molecule is an example of a...
Synthesis reaction
Degradation reaction
What enzyme (often found in liver) is specific to Hydrogen Peroxide?
Hydrogen Peroxide -----> Oxygen and Water
Amylase
Catalase
Phosphase
Pepsin
What does amylase break down starch into?
Starch ----------------------> ??
Amylase
Sucrose
Glucose
Maltose
Fructose
What enzyme is used to build up Glucose-1-Phosphate into Starch?
Glucose-1-Phosphate -------------> Starch
Amylase
Catalase
Phosphorylase
Actase
What is the function of amylase?
to break down protein into fatty acids
to break down carbohydrates into amino acids
to break down starch into maltose
to break down protein into maltose
Where does the chemical reaction take place in the enzyme?
(a)
What biology term is used to describe a "building up" enzyme reaction?
(a)
a breaking down reaction is known as a (a) reaction.
Which enzyme catalyses the breakdown of starch into maltose?
Catalase
Amylase
Phosphorylase
During a degradation reaction a large substrate is
broken down into larger products.
built up to form larger products.
broken down into smaller products.
built up into smaller products.
Which enzyme catalyses the build up of glucose-1-phosphate molecules into starch?
Amylase
Catalase
Phosphorylase
Enzymes are biological catalysts that
slow down chemical reactions
have no effect on chemical reactions
speed up chemical reactions
What term is used to describe a "building up" enzyme reaction?
(a)
a breaking down reaction is known as a (a) reaction.
During a synthesis reaction, a small substrate is
broken down into larger products.
built up to form larger products.
broken down into smaller products.
built up into smaller products.
Enzymes are _________. This means they only work on one substrate.
complementary
catalysts
specific
Which enzyme catalyses the build up of glucose-1-phosphate molecules into starch?
Amylase
Catalase
Phosphorylase
