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Biology Class 11 Chapter 13 - Immunity - 11
1.
The antigen binding sites of an antibody molecule are its?
only one arm
one arm and the tail
tail
arms
2.
The cell binding site of an antibody molecule is its?
both arms
left arm
tail
right arm
3.
How many polypeptide chains are there in an antibody molecule?
4
5
2
3
4.
The two identical long polypeptide chains of antibody molecule
are known as?
light chains
big chains
heavy chains
large chains
5.
The two identical short chains of the antibody molecule are known as?
heavy chains
small chains
light chains
large chains
6.
Which one the following is a segment of polypeptide chains of an
antibody molecule?
functional segment
variable segment
constant segment
all of these
7.
Monoclonal means belonging to?
three clones
two clones
four clones
one clone
8.
C. Milstein and G. Kohler were awarded Nobel Prize in?
1994
2004
1984
1974
9.
C. Milstein and G. Kohler were awarded Nobel Prize for discovering the?
hormones
enzymes
antigenes
monoclonal antibodies
10.
Leukaemia is a cancer of?
WBCs
breast
RBCs
lungs
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