NEW
Font size
S
M
L
XL
WorksheetsEnzyme Immobilization
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Enzymes can be immobilied using any of the following materials except
a)
Water
b)
Calcium Alginate
c)
Chitin
d)
Agar
2.
Enzyme immobilisation enhances which of the following properties of an enzyme
a)
proteinous nature
b)
specificity
c)
thermal stability
d)
catalytic ability
3.
Which of the following explains why the material used to immobilise the enzyme must be inert?
a)
it ensures that the attachment will be strong
b)
it ensures that the enzyme activity is not interfered with
c)
it ensures that the reaction occurs faster than normal
d)
it prevents the death of the enzyme
4.
In a reaction system that involves immobilised enzymes, …………………………
a)
both enzymes and substrate can move about
b)
only enzymes but not substrates can move about
c)
only substrates but not enzymes can move about
d)
neither substrate not enzymes can move about
5.
Aside from enzymes, what else can be immobilised?
a)
animal tissues
b)
animal cells
c)
animal waste
d)
animal bones
6.
Immobilised enzymes have higher thermal stability compared to free enzymes. Which of the following statements is an inaccurate interpretation of this?
a)
Immobilised enzymes have higher optimum temperature
b)
Immobilised enzymes can keep on catalysing reaction even when their free counterparts have become denatured by high temperature
c)
no matter how high temperature gets, immobilsed enzymes will keep on catalysing reaction
d)
immobilsed enzymes have a wider range of temperature within which they can act, compared to free enzymes
7.
Which of the labelled structures represent the immobilized enzymes
a)
A
b)
B
c)
C
d)
D
8.
In using immobilized enzymes to produce lactose free milk, the enzymes will be found in which labelled part of the diagram?
a)
A only
b)
A and B
c)
B and C
d)
B only
9.
immobilised enzymes are characterised by ………………thermal stability and ……………….reactivity
a)
higher, higher
b)
higher, lower
c)
lower, lower
d)
lower, higher
10.
which of the following will not be influenced by immobilising and enzyme
a)
rate of formation of enzyme/substrate complex
b)
rate at which substrates bind to active site
c)
shape of active site
d)
optimum temperature of enzyme
Reset
