The protein produced by S. aureus that interferes with phagocytosis is

A. protein M.
B. collagen.
C. protein A.
D. capsular protein


C.

Biology & Microbiology

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The production of gene families, such as the globin genes is the result of ________

A. inversions B. deficiencies C. gene duplications D. simple translocations E. None of the answers are correct

Biology & Microbiology

How is a gradient of H+ ions formed across the inner mitochondrial membrane?

A. The electron transport chain uses energy from transfer of an electron donated by NADH to pump H+ across the inner mitochondrial membrane against its electrochemical gradient. B. ATP synthase generates a H+ gradient across the inner mitochondrial membrane. C. Electrons move from NADH to a chain of proteins with lower electronegativities. D. The electron transport chain uses ATP to pump H+ across the inner mitochondria membrane against its electrochemical gradient. E. The electron transport chain of proteins contains pores that are leaky to H+.

Biology & Microbiology

The gastrointestinal system and many other internal organs are formed by the_______.

a. endoderm b. mesoderm c. ectoderm d. trophoblast

Biology & Microbiology

What is one strength of positive-incentive perspective over set-point theories?

What will be an ideal response?

Biology & Microbiology