Antibody and Its Structure

Q.

Antibodies are also called as immunoglobulins (Ig). They are represented as H₂L₂. What does ‘H’ and ‘L’ represent?

Q.
I. Antibodies are highly glycosylated proteins

II. Antibodies are made up of 2 identical heavy chains and 2 identical light chains

III. N-terminal end of light and heavy chain interacts with the antigen

IV. N-terminal end of the heavy chain interacts with the antigen

V. C-terminal end of light and heavy chain, interacts with the antigen

Choose the option which identifies the incorrect statements:

1. I, III
2. III, V
3. IV, V
4. I, III, IV

Q.

Antibodies eat up the germs.

1. True
2. False

Q. If you suspect a deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?

1. Haemocytes
2. Serum albumins
3. Serum globulins
4. Fibrinogen in the plasma

Q.

State whether true or false:
Antibodies are released into the bloodstream.

1. True

2. False