Chronic granulomatous disease is a disorder of the (first/second/third) line of immune defense.

Fill in the blank(s) with the appropriate word(s).


second

Biology & Microbiology

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All things being equal, which of these is the most parsimonious explanation for the change in the number of Hox genes from the last common ancestor of insects and vertebrates to ancestral vertebrates, as shown in the table above?

A) The occurrence of seven independent duplications of individual Hox genes. B) The occurrence of two distinct duplications of the entire seven-gene cluster, followed by the loss of one cluster. C) The occurrence of a single duplication of the entire seven-gene cluster.

Biology & Microbiology

The islets of Langerhans located in the _______ secrete both insulin and glucagon.  

A.  liver B.  pituitary C.  thalamus D.  kidney E.  pancreas

Biology & Microbiology

Defining features of the halobacteria include ________.

A. the production of methane B. absolute dependence on a high concentration of NaCl for growth C. absolute dependence on temperatures above 65ºC for growth D. absolute dependence on low pH conditions for growth

Biology & Microbiology

Compare and contrast the structure and function of ion channel-linked receptors, G protein-linked receptors, and

enzyme-linked receptors. In general, how do they differ from intracellular receptors? What will be an ideal response?

Biology & Microbiology