Which of the following contribute to the spread of antibiotic resistance through bacterial populations?

A. horizontal gene transfer
B. conjugation
C. overuse of antibiotics
D. transposons
E. All of these choices are correct.


E

Biology & Microbiology

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Which of the following characteristics, structures, or processes is common to bacteria and viruses?

A) metabolism B) ribosomes C) genetic material composed of nucleic acid D) cell division E) independent existence

Biology & Microbiology

An arrangement of microtubules located in the matrix of cilia and flagella is called the ________.

A. axial bundle B. axoneme C. axillary tubule D. axial filament

Biology & Microbiology

Three-spined stickleback fish (Gasterosteus aculeatus) show substantial heritable variation in gill-raker length related to differences in their diets

Longer gill rakers appear to function better for capturing open-water prey, while shorter gill rakers function better for capturing shallow-water prey. Which of the following types of selection is most likely to be found in a large lake (open water in the middle and shallow water around the sides) with a high density of these fish? A) directional selection B) stabilizing selection C) disruptive selection D) sexual selection

Biology & Microbiology

Systemic lupus erythematosus (SLE) is a type III hypersensitivity disorder. .

Answer the following statement true (T) or false (F)

Biology & Microbiology