In mammalian defenses against invading pathogens, all of these are considered nonspecific defense mechanisms EXCEPT

A. acquired immunity.
B. the skin.
C. mucous membranes.
D. the inflammatory response.
E. antimicrobial proteins (e.g., interferon).


A. acquired immunity.

Biology & Microbiology

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Which glands secrete an oily product that softens the skin and hair?

A) ceruminous glands B) sebaceous glands C) apocrine sweat glands D) eccrine sweat glands

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What are the branched extensions of a neuron that receive signals called?  

A.  axons B.  cell bodies C.  dendrites D.  oligodendrocytes E.  synapses

Biology & Microbiology

Eukaryotes that can be used in molecular studies include:

a. Arabidopsis b. Saccharomyces c. Drosophila d. Neurospora e. all of these

Biology & Microbiology

Unlike members of domain Bacteria, most archaeans have linear chromosomes. 

Answer the following statement true (T) or false (F)

Biology & Microbiology