Which is an example of an organ that is nervous in origin, structure, and function but secretes
substances into the bloodstream?
a. anterior pituitary
b. posterior pituitary
c. pancreas
d. adrenal cortex
e. testis
B
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Point mutations may have no effect on an organism if (select all correct choices):
A. they occur in a non-coding region of DNA. B. the new codon codes for the same amino acid as the original codon. C. they occur only in somatic cells. D. the new codon codes for an amino acid that is the same size as the one coded for by the original codon. E. they occur only in germ cells.
Cladograms provide information about ________ relationships.
Fill in the blank(s) with the appropriate word(s).
Enhanced immune responses to subsequent exposures to an antigen to which the body has already been exposed are known as ________ responses
A) third-degree immune B) allergic C) primary immune D) memory E) autoimmune
Please match the statement to the term that it best describes.
Immune function is incompletely suppressed, destroyed, or incompletely developed. A) Immunodeficiency B) Allergy C) Autoimmunity D) Grafts and transfusions