2.2.3 Enzymes

Follow-Me – iQuiz

Q. What is meant by the term metabolism?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. For what is ATP an abbreviation?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. To which group of molecules do enzymes belong?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In an experiment that you carried out to investigate the effect of pH on the rate of enzyme action, explain how you varied the

pH.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is a bioreactor?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is meant by an enzyme?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is meant by immobilisation?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name a factor that influences the activity of an enzyme.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. State one advantage of using an immobilised enzyme in a bioreactor.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name a substance that is used to immobilise enzymes.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. State a use for Buffer solution in the biology laboratory.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Apart from C, H and O, there is one other element always present in the building blocks of enzymes. Name that element.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Distinguish between Enzymes and Hormones

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Give the term for the substance that results from the action of an enzyme on its substrate.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In relation to an enzyme, explain the term optimum activity.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Explain the term bioprocessing.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name the compound from which the immobilising beads are formed in the laboratory.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In an experiment to investigate the effect of temperature on the rate of action of an enzyme, how did you vary the

temperature?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In an experiment to investigate the effect of temperature on the rate of action of an enzyme, how did you measure the rate of

the enzyme’s action?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What name is given to the substance that an enzyme acts on?

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. True or False. Immobilised enzymes can act as catalysts.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Comment on the shape of enzyme molecules.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. The action of amylase on starch is a catabolic reaction. Explain the underlined term.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Suggest one reason why enzymes are not found in body soap or shampoo.

Adenosine Triphosphate

By the volume of suds produced

FALSE

Enzyme trapped in beads or gel so that it will react with, but not

mix with, its substrate

Enzyme can be recovered

Organic protein catalyst

Nitrogen

May damage skin

Keep pH constant

Proteins

Temperature; pH

TRUE

Used buffers

Product

Working at maximum rate

Vessel in which products are made by cells or organisms.

Using micro-organisms or enzymes to make product(s)

Water bath; Ice; Thermostat

All chemical reactions in living cells

Sodium alginate

Breakdown of large molecules into smaller ones

Substrate

Catalyst and chemical messenger

Fits substrate; Active site; Folded; Can change shape

CONGRATULATIONS

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Incorrect

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