Target cells
a. are found only in specific endocrine glands.
b. are equipped with specific receptor molecules.
c. are muscle cells.
d. may occur in any part of the body.
e. are equipped with specific receptor molecules and may occur in any part of the body.
E
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Based on morphology and gene sequencing data, it appears that the closest living relative of the first flowering plants
is ____.
a. Magnolia grandiflora b. Illicium floridanum c. Nelumbo nucifera d. Archaefructus sinensis e. Amborella trichopoda
The designation of winds is referenced from
a. the direction from which they are coming. b. the direction towards which they are going. c. folk lore. d. the need to throw horses overboard. e. the direction in relation to the observer's path of travel
What is the name for molecules that provoke a specific immune response?
A. antigens B. lymphocytes C. antibodies D. lysozymes
The majority of white blood cells in circulation include
A) neutrophils and lymphocytes. B) eosinophils and basophils. C) macrophages. D) erythrocytes.