An important diagnostic sign of measles is
A. Koplik's spots.
B. giant cells.
C. fever.
D. swollen lymph nodes.
A.
You might also like to view...
The _____________ bacterial group contains organisms that normally inhabit the intestinal tracts of humans (depending on diet), and can additionally break down cellulose
A. Bacteroidetes B. Firmicutes C. Heliobacteria D. Gram-positive E. Proteobacteria
Which of the following statements is false regarding phagocytosis?
A) It can ingest large particles. B) It involves the projection of pseudopods. C) It is used by amoebae to ingest food. D) It is mediated by clathrin at the plasma membrane. E) It is used by macrophages and neutrophils to ingest bacteria.
You have isolated the gene for a protein, nuculin (a protein that some people believe resides in the nuculus) that is normally localized to the nucleus. You locate in the gene the portion of the coding sequence that codes for the nuclear localization signal (NLS) and engineer it so that a positively charged amino acid in the signal is replaced by a nonpolar amino acid) You then insert the gene into some cells and observe where nuculin goes after its synthesis. What is the effect, if any?
a) Nuculin is not moved to the nucleus. b) Nuculin is not made by the cell at all. c) There is no effect. d) Nuculin moves to the nucleus as it usually does.
You are examining a bacterial smear on a light microscope. You observe pinkish-red bacilli and blue cells of various shapes. You are probably looking at a smear prepared with the ________ stain
A) Gram B) Ziehl-Neelsen acid-fast C) Schaffer-Fulton endospore D) Gomori methenamine E) Hematoxylin and eosin