The DNA found in most bacterial cells
A) is surrounded by a nuclear membrane.
B) utilizes histones for chromosomal packaging.
C) is circular in structure.
D) is linear in structure.
E) is found in multiple copies.
C
You might also like to view...
Which of the following statements about the physiological responses of plants to increasing temperatures and carbon dioxide levels is false?
A. Many plants devote more resources to reproduction under these conditions. B. Many plants produce flowers earlier in response to increased temperatures. C. Many plants produce leaves earlier in response to increased temperatures. D. The amount of nitrogen in plant tissues declines in response to increased CO2. E. None of the answer options is false.
Answer the following statements true (T) or false (F)
1. Anton van Leeuwenhoek is given credit for developing the first compound light microscope. 2. The wavelength of visible light limits the size of objects that can be seen with the compound light microscope. 3. The resolving power of compound light microscopes can be improved by adding additional magnifying lenses. 4. A brightfield microscope can be converted to a darkfield microscope by replacing the condenser on a brightfield microscope with a darkfield condenser. 5. Primary syphilis is usually diagnosed in the clinical microbiology laboratory by the use of a scanning electron microscope.
Gonococci selectively attach to certain epithelial cells by
A. pili. B. flagella. C. cilia. D. actin bridges. E. flagella AND cilia.
Which RNA chaperone protein binds the short trans-sRNA sequence to form a complex with its mRNA target?
a. TrpC b. Hfq c. SgrS d. RpoS