Exam 3: Bacterial Cell Structure

Nutrients that are used by bacteria in relatively large amounts are _______________.

Elements that are required in relatively large amounts by microorganisms are called

A __________ layer consists of diffuse unorganized polysaccharide material that lies outside the cell wall and is easily removed.

Rigid bacteria with a helical cell shape are called

A branched network of hyphae formed by the Actinomycetes is called a __________.

You have been studying the effect of a concentration gradient on the rate of transport of a nutrient into a bacterial cell.If a carrier protein is involved in the transport of this nutrient,which curve would you expect to see?

Gram-positive bacteria have a structurally and chemically more complex cell wall than gram-negative bacteria.

Bacterial cells that are variable in shape are called

Which of the following is not considered a micronutrient?

Square planar arrangement of cells that forms when round bacteria remain attached to each other during reproduction are called

Flexible bacteria with a helical shape are called

Bacteria have a region of the cytoplasm known as the __________,which is not bounded by a membrane but contains the chromosome.

Chemotaxis is a process by which bacteria

A wide variety of microorganisms are commercially used to manufacture _________ for human consumption.

The rotation of bacterial flagella is powered by ATP hydrolysis.

The genus of bacteria that undergoes cell division in random planes,forming grapelike clusters of round bacteria,are the __________. or

Export of flagellin subunits is mediated by

How do spheroplasts and protosplasts differ?

Which of the following is not true of bacterial plasmids?

__________ is the main part of the process through which a vegetative cell is formed from an endospore.