The short, numerous appendages used by some bacterial cells for adhering to surfaces are called

A. sex pili.
B. periplasmic flagella (axial filaments).
C. fimbriae.
D. cilia.
E. flagella.


Answer: C

Biology & Microbiology

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RNA is complimentary to

A. Regulatory sequences B. Termination sequences C. The coding strand of DNA D. The template strand of DNA

Biology & Microbiology

Which of the following is a population?

1.the deer (Odocoileus hemionu) living in Yosemite Valley, California 2.the deer and the grass in Yosemite valley 3.all of the organisms living in Yosemite valley 4.all of the organisms living in the Sierra Nevada mountains of California

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__________ are free-living and usually kill their

prey. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following statements about NADPH and/or NADH is not true?

A.) NADPH is an activated carrier molecule that is usually in biosynthetic reactions to build energy rich molecules B.) NADH is an activated carrier molecule that is usually in oxidation reactions to produce ATP C.) NADPH is an activated carrier molecule that is usually primarily by plants D.) all of these statements are incorrect

Biology & Microbiology