If the connection between a gland and the epithelial membrane is maintained as a duct, the gland is called a(n) ___________ gland.
A. exocrine
B. endocrine
C. lymph
D. sebaceous
E. adrenal
A. exocrine
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In mammals, Hox genes:
A. specify limbs and other structures associated with each body segment. B. direct development of structures that become parts of the hindbrain, spinal cord, and vertebral column. C. evolved by partial-genome duplication from the ancestral genes. D. are expressed in a sequence that does not reflect their linear order on the chromosome or the regions they affect. E. All of these choices are correct.
What cell type can the Simplexviruses infect latently?
A) B cells B) epithelial cells C) neurons D) T cells E) multiple cell types
Which of these terms is NOT used as a nickname for a stop codon?
A) emerald B) amber C) opal D) ochre
The body's acid-base balance relies strongly on
a. reabsorption. b. filtration. c. secretion. d. urination. e. neutralization.