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WorksheetsBSc1
Total questions: 8
Worksheet time: 20mins
Name
Class
Date
1.
Main branch of chemistry
a)
1
b)
2
c)
3
d)
4
e)
5
2.
1+1 =
a)
1
b)
2
c)
3
d)
4
3.
What is the catalyst in the following rate mechanism?
a)
HBr
b)
H2O
c)
There is no catalyst
4.
Which of the elementary steps has the highest activation energy?
a)
slow
b)
fast
5.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
6.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
7.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
8.
228 ≡
(a)
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