A rising antibody titer a few days apart indicates

A.) the patient had a past case of the disease.

B.) the patient has a current infection.

C.) nothing, people always have antibodies in their serum.

D.) All of these choices are correct.


B.) the patient has a current infection.

Biology & Microbiology

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Choose the letter of the best match from the following:A. Abscisic acidB. TrichomesC. AquaporinD. EndodermisE. StomaTriggers K+ to pass rapidly out of guard cells.

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

Biology & Microbiology

G and C are present in both DNA and RNA

Indicate whether the statement is true or false

Biology & Microbiology

Acute Glomerulonephritis is a sequalae of repeated infection with Streptococcus pyogenes. The pathogenesis involved in this complication is antigen-antibody complex precipitation on the surface of the glomerulous cell membrane

a. true b. false

Biology & Microbiology

During receptor-mediated endocytosis, ____

a. plasma membrane receptors bind molecules to be expelled b. a small channel forms beneath the receptors c. a pit opens inside a cell d. a vesicle forms e. a vesicle is destroyed

Biology & Microbiology