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.
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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
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).
G and C are present in both DNA and RNA
Indicate whether the statement is true or false
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