According to the ____________________ theory, when an antigen enters the body, it activates the particular clone of B cells that bear receptors on their surface uniquely specific for that antigen
Fill in the blank(s) with correct word
clonal selection
Anatomy & Physiology
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When the pH of the extracellular fluid declines,
A) the kidneys excrete more bicarbonate ions. B) the kidneys reabsorb less water. C) the pH of the urine increases. D) the kidneys excrete more sodium ions. E) the kidneys reabsorb more potassium ions.
Anatomy & Physiology
Identify appropriate locations for intramuscular, subcutaneous, and intravenous injections in the pig
What will be an ideal response?
Anatomy & Physiology
The thoracic duct receives lymph from _________
A. the upper left body B. the upper right body C. the lower body D. both a and c
Anatomy & Physiology
Describe how light is refracted and focused on the retina in an emmetropic eye
What will be an ideal response?
Anatomy & Physiology