Which of the following statements are TRUE regarding microbial nutrition,

Ashley

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ecology, and growth? A) the term facultative anaerobe refers to an organism that doesn't use oxygen but tolerates it

B) the generation time refers to the length of time needed for a cell to divide

C) whether an organism is an autotroph or heterotroph depends on its source of nitrogen

D) a saprobe with a cell wall will utilize extracellular digestion

E) saprobes do not need a carbon source for growth and metabolism

F) facilitated diffusion and active transport require a carrier protein to mediate the movement across the plasma membrane

G) in a commensal relationship, the commensal benefits but the cohabitant is neither harmed not benefited

H) bacteria have an average generation time of 24 hours

I) transverse binary fission results in 4 daughter cells from 1 parent cell

J) during the lag phase of microbial growth the cells are metabolically inactive

K) when a microorganism is placed in a hypotonic solution, water will enter into the cell and cause it to burst unless something is done to prevent this

L) permeable membranes allow some molecules to pass but not others
 
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