Which is true about protein A?

A. It binds to the Fc region of antibody.
B. It hides bacteria from phagocytes.
C. It enhances binding of phagocytes.
D. It digests antibodies.
E. It binds to the Fc region of antibody AND it hides bacteria from phagocytes


E.

Biology & Microbiology

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What causes the inactivation of a G protein?

A. The alpha subunit hydrolyzes GTP to GDP and inorganic phosphate. B. The beta and gamma subunits trigger the hydrolysis of GTP to GDP. C. A phosphatase removes the inorganic phosphate group from GTP. D. The inactive receptor catalyzes the replacement of GTP by GDP.

Biology & Microbiology

You are examining a human pedigree for a trait. You notice that the trait appears in every generation; is equally likely to occur in males and females; and, when one parent is affected, about half of his/her offspring are affected

The trait is most likely: A. dominant. B. recessive. C. epistatic. D. produced by multiple alleles. E. incomplete penetrance.

Biology & Microbiology

Which of the following processes would be most likely to occur in the Golgi complex?

A) synthesis of steroids B) production and packaging of lipids C) glycosylation of proteins D) synthesis of DNA E) detoxification of drugs

Biology & Microbiology

The E horizon of soils is characterized by the maximum amount of

A) biological activity. B) decomposition. C) leaching of mineral particles. D) accumulation of leached mineral particles.

Biology & Microbiology