A virulence factor can be transferred from one strain of bacteria to another in a genetic process that is independent of cell-to-cell contact between the donor and the recipient. Addition of DNase does not interfere with the transfer of the virulence factor either. From these characteristics, which of the following processes is involved in this genetic transfer?
A. Transduction.
B. Conjugation.
C. Transposition.
D. Transformation.
E. Transversion.
Ans: A. Transduction.
You might also like to view...
Histone acetyltransferases are directly involved in which of the following?
A. Removal of histones from chromatin B. Movement of nucleosomes C. Chemical modification of histones D. Termination of gene expression E. Insertion of variant histone proteins
At which phase of the cell cycle are sister chromatids generated?
A) G0 B) G1 C) G2 D) S E) M
Jane and Tom are worried about their newborn baby who has just begun to nurse, but chokes and turns blue whenever she is fed. Their baby most likely has a defect in her _____.
A. muscle in the lower two-thirds of her esophagus B. tongue muscles C. muscle in the upper-third of her esophagus D. epiglottis E. soft palate Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the anatomical structure that malfunctions in choking? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Facultative anaerobes usually possess
A. catalase only. B. superoxide dismutase only. C. both catalase and superoxide dismutase. D. neither catalase or superoxide dismutase. E. alternative