This figure shows a lymph node and its components. The region indicated by number 1 is a
A. germinal center.
B. mantle zone.
C. cortical sinus.
D. medullary cord.
E. medullary sinus.
A
Anatomy & Physiology
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What does label E represent?
A) disulfide bond
B) variable segment
C) light chain
D) heavy chain
E) constant segments of light and heavy chains
Anatomy & Physiology
What kind of bond is formed when one atom gains an electron and another atom loses an electron?
a. ionic b. covalent c. hydrogen d. molecular
Anatomy & Physiology
In response to tissue damage and infection, circulating proteins called pyrogens
A) cause inflammation. B) produce a fever. C) activate complement. D) opsonize pathogens. E) activate antibodies.
Anatomy & Physiology
________ is a structure that contains at least two types of tissue and carries out a specific function
A) An organism B) An organ system C) A cell D) An organ
Anatomy & Physiology