How is Agrobacterium used in recombinant DNA technology?

For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.

__________ Pigments located in thylakoids in phototrophic bacteria trap light energy for metabolic processes.

For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.

__________ Halophiles inhabit extremely saline habitats, such as the Great Salt Lake.

For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.

__________ Most cyanobacteria form heterocysts in which nitrogen fixation occurs.

Flexible spiral-shaped prokaryotes are __________ .

a. spirilla

b. spirochetes

c. vibrios

d. rickettsias

Which genus is the most common anaerobic human pathogen?

a. Bacteroides

b. Spirochetes

c. Chlamydia

d. Methanopyrus

A student was memorizing the arrangements of bacteria and noticed that there are more arrangements for cocci than for bacilli. Why might this be so?