Bacterial isolates from post-surgical infections of several patients on the same hospital floor demonstrate an increase in resistance to similar antibiotics. The pattern of antibiotic resistance in these cases is most likely due to vertical gene transfer among bacteria that carry resistance genes to bacteria that lack those genes.
Answer the following statement true (T) or false (F)
False
You might also like to view...
A researcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (TMV). The cell contents are left in a covered test tube overnight
The next day this mixture is sprayed on tobacco plants. We expect that the plants would _____.A) develop some but not all of the symptoms of the TMV infection B) develop symptoms typically produced by viroids C) develop the typical symptoms of TMV infection D) not show any disease symptoms E) become infected, but the sap from these plants would be unable to infect other plants
________ indirectly link the extracellular matrix and the cytoskeleton of animal cells.
Fill in the blank(s) with the appropriate word(s).
Which polysaccharide is an important component in the structure of many animals and fungi?
A) chitin B) cellulose C) amylopectin D) amylose
A zoo is hand-rearing a group of orphaned white-crowned sparrows. What is the best approach to help prepare the males to attract mates when released into the wild?
A. Expose the males to female pheromones from their species, to initiate development of song circuits during the critical period. B. Expose the males to a mentor male bird singing their species' song during the critical period. C. Expose the males to a variety of birdsongs during the critical period. D. Expose the males to each other during the critical period, to initiate development of song circuits during the critical period.