If an E. coli strain typically has 50 loop domains, how many total base pairs might this bacteria have in its chromosome?

A. 500-2,000
B. 5,000-20,000
C. 50,000-80,000
D. 200,000-450,000
E. 5 billion


D. 200,000-450,000

Biology & Microbiology

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Nodules found on the roots of some plants are involved in supplying which element for the plant?

a. aluminum b. boron c. magnesium d. nitrogen e. chlorine

Biology & Microbiology

Chun-Hong Chen and colleagues (2007 ) designed a new gene that would carry a strong selective advantage and confer the resistance to malaria on free-living mosquitoes. What was the acronym given this gene, and what does the acronym stand for?

What will be an ideal response?

Biology & Microbiology

________________ is a virus that infects the widest range of mammals.

a. Rabies b. Influenza c. The common cold virus

Biology & Microbiology

When a young, vigorously growing culture of bacteria is transferred to fresh medium of different composition, the lag phase is usually short or absent.

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

Biology & Microbiology