Match the following items with the correct phrases.

_______1. Capable of producing antibody-secreting plasma cells after clone formation.
_______2. They help regulate the immune response by turning off certain activities.
_______3. Phagocytic cells that act as “antigen-presenting cells” in the immune response to (processing of) T-dependent antigens.
_______4. The major target of human immunodeficiency virus (HIV).
_______5. The only cells required in the immune response to T-independent antigens.


a. B lymphocytes (B cells)
b. macrophages
c. mast cells
d. TH lymphocytes (THcells)
e. TSlymphocytes (TScells)


1. a. B lymphocytes (B cells)
2. e. TSlymphocytes (TScells)
3. b. macrophages
4. d. TH lymphocytes (THcells)
5. a. B lymphocytes (B cells)

Biology & Microbiology

You might also like to view...

The substance that typically provides rigidity to fungal cell walls, and is also found in the external skeletons of insects

and other arthropods, is called ____.

a. lignin b. cellulose c. starch d. collagen e. chitin

Biology & Microbiology

The functional units of the kidneys that are responsible for the formation of urine are called ________

Fill in the blank(s) with correct word

Biology & Microbiology

What are the two main processes upon which ecosystems depend?

A) speciation and evolution B) nutrient recycling and energy flow C) decomposition and nutrient recycling D) sunlight and photosynthesis

Biology & Microbiology

The internal structure of eukaryotic cilia and flagella are the same

Indicate whether the statement is true or false

Biology & Microbiology