The structures of prokaryotes that are used to transfer DNA from one cell to another are

A. endospores.
B. cilia.
C. flagella.
D. attachment pili.
E. sex pili.


E. sex pili.

Biology & Microbiology

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The methods of ____ have had the greatest impact on human genetics in recent decades

a. cytogenetics b. molecular genetics c. transmission genetics d. translational medicine e. genomics

Biology & Microbiology

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

1. Images of living specimens can be produced using atomic force microscopes. 2. Specimens are visible on a phase contrast microscope because they refract the light that illuminates them. 3. Reactions that are both catabolic and anabolic are amphibolic.

Biology & Microbiology

Which of the following genera is an anaerobic gram-negative rod?

A) Escherichia B) Staphylococcus C) Bacteroides D) Treponema E) Neisseria

Biology & Microbiology

GgTt pea plants can produce __________ type(s) of gamete(s), but a ggtt plant can produce __________ type(s) of gamete(s).

A. four ... one B. two ... one C. one ... two D. four ... two

Biology & Microbiology