Some bacteria attach to surfaces of other cells with short outgrowths called ________.

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


pili

Some bacteria attach to surfaces of other cells with short outgrowths called pili.

Biology & Microbiology

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In plant cells, the ____ provides cellular support and protects the cell from pathogens

a. cytoplasm b. cell membrane c. cytoskeleton d. plasmodesmata e. cell wall

Biology & Microbiology

Which is false regarding the two-component regulatory system in bacteria?

A. One part of the system is exposed to the external cellular environment while another part is exposed to the cytoplasm. B. The system involves a sensor kinase and a response regulator. C. The sensor kinase is phosphorylated by the response regulator when the extracellular environment changes. D. Regulation of OmpF and OmpC porin proteins in E. coli is modulated by this type of system.

Biology & Microbiology

The 9 + 2 pattern is associated with 

A. eukaryotic flagella. B. noneukaryotic flagella. C. ribosomes. D. mitochondria.

Biology & Microbiology

In the reaction: pyruvate + CoA + NAD+ ? acetyl CoA + CO2 + NADH.  

A. Pyruvate is reduced and CoA is oxidized. B. Pyruvate is oxidized and CoA is reduced. C. Pyruvate is reduced and NAD+ is oxidized. D. Pyruvate is oxidized and NAD+ is reduced.

Biology & Microbiology