Helper T (TH) cells recognize antigens when they are bound to a(n) ________

A) hapten
B) natural killer cell
C) major histocompatibility complex (MHC) protein
D) immunoglobulin
E) basophil


C

Anatomy & Physiology

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Recommended daily allowances were established by the Food and Nutrition board as directed by the

A. largest food-producing companies. B. National Academy of Sciences.

Anatomy & Physiology

An expanded knob at the base of the hair root is the ________.

A. shaft B. hair bulb C. cuticle D. root E. medulla

Anatomy & Physiology

The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n)

What will be an ideal response?

Anatomy & Physiology

Of the different sources of genetic variability which on could be defined as permanent, transmissible changes to the DNA coding sequence that are often caused by outside environmental factors?

A) independent assortment B) crossing over C) random fertilization D) mutation

Anatomy & Physiology