Antibody is produced by
B-Lymphocyte
Heparin
T- Lymphocyte
Both (a) and (b)
A.
B-Lymphocyte
Antibodies are produced by B-lymphocyte.
Lymphocytes are critical for immune reactions and are of two types B-lymphocytes and T-lymphocytes. B-lymphocytes, upon contact with appropriate antigens, are transformed into plasma cells, which are responsible for the production of antibody. They produce, 20 trillion antibodies per day.
Match the tissues/molecules mentioned in column I with those of their degrading enzymes mentioned in column II and select the correct option from the given codes.
Column I Column II
A. Cell wall (i) Proteases
B. RNA (ii) Pectinases
C. Histone (iii) Ribonucleases
D. Pectin (iv) Cellulase
A-(iv), B-(iii), C-(i), D-(ii)
A-(ii), B-(i), C-(iv), D-(iii)
A-(i), B-(ii), C-(iii), D-(iv)
A-(iii), B-(iv), C-(ii), D-(i)
Abnormal growth of the tumor in cancer is due to
abnormal mitotic division
accumulation of body fluid
abnormal meiotic division
metastasis
When plants/animals are infected with virus, they may produce an anti-viral substance that is capable of inhibiting the multiplication of that virus. Identify the correct name ofthis substance
Virion
Antivirion
Antigen
Interferon