Biology

Question 1

in tissue fluid and plasma and defends against bacterial cells, viruses, and toxins and activates complement,
a group of immune system enzymes.

Answer 1

Immunoglobulin G (lgG)

Question 2

in exocrine gland secretions (breast milk, saliva, tears) and defends against bacteria and viruses.

Answer 2

Immunoglobulin A (lgA)

Question 3

is found in plasma and activates complement and reacts with blood cells during transfusions.

Answer 3

Immunoglobulin M (IgM)

Question 4

can be found on surface of B cells, especially those of infants. It activates B cells

Answer 4

Immunoglobulin D (lgD)

Question 5

is found in exocrine gland secretions and promotes allergic reactions

Answer 5

Immunoglobulin E (lgE)