Bootcamp.com - Diversity of Life NEWEST ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+\LATEST UPDATE 2026 -2027
the ___ is the gel located in the periplasmic space (predominantly in gram
negative bacteria)
periplasm
_ __ is found (predominantly) between membranes of gram negative bacteria
periplasmic space
(very small in gram positive bacteria)
list the layers of gram positive bacterial membrane (from inside to outside)
plasma membrane > periplasmic space > peptidoglycan
,list the layers of gram negative bacterial membrane (from inside to outside)
plasma membrane > periplasmic space > peptidoglycan > outer membrane (LPS
and protein)
lipopolysaccharide (LPS) is an _____ found in gram ____ bacteria only
endotoxin; negative
where is LPS found in gram negative cells, and when is it released?
the outer membrane; when the bacteria is destroyed
an ___ is a toxin that both gram positive and gram negative bacteria secrete
exotoxin
,endotoxins are only secreted by gram ___ bacteria
negative
_ __are acidic polysaccharides that provide significant rigidity and structure only
in gram ____ bacteria
teichoic acids; positive
how do teichoic acids confer rigidity and structure?
they connect the cell wall peptidoglycan to the cell membrane
a ___ covers both gram negative and gram positive bacterial cell walls
capsule
bacterial capsules are ____ because they decrease the capacity for bacteria to be
phagocytosed by immune cells
virulence factors
in prokaryotes, the small ribosomal subunit is ___ and the large ribosomal
subunit is _____ - these combine to form a____ ribosome
30S; 50S; 70S
, prokaryotic ribosomal subunits are made in the ___ , and they are assembled into
a 70S ribosome in the _____
nucleoid/cytosol; cytosol
eubacteria and archaea can contain extrachromosomal pieces of DNA called
_____
plasmids
plasmids are segments of _____ DNA that may pass between cells
extrachromosomal; horizontally
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+\LATEST UPDATE 2026 -2027
the ___ is the gel located in the periplasmic space (predominantly in gram
negative bacteria)
periplasm
_ __ is found (predominantly) between membranes of gram negative bacteria
periplasmic space
(very small in gram positive bacteria)
list the layers of gram positive bacterial membrane (from inside to outside)
plasma membrane > periplasmic space > peptidoglycan
,list the layers of gram negative bacterial membrane (from inside to outside)
plasma membrane > periplasmic space > peptidoglycan > outer membrane (LPS
and protein)
lipopolysaccharide (LPS) is an _____ found in gram ____ bacteria only
endotoxin; negative
where is LPS found in gram negative cells, and when is it released?
the outer membrane; when the bacteria is destroyed
an ___ is a toxin that both gram positive and gram negative bacteria secrete
exotoxin
,endotoxins are only secreted by gram ___ bacteria
negative
_ __are acidic polysaccharides that provide significant rigidity and structure only
in gram ____ bacteria
teichoic acids; positive
how do teichoic acids confer rigidity and structure?
they connect the cell wall peptidoglycan to the cell membrane
a ___ covers both gram negative and gram positive bacterial cell walls
capsule
bacterial capsules are ____ because they decrease the capacity for bacteria to be
phagocytosed by immune cells
virulence factors
in prokaryotes, the small ribosomal subunit is ___ and the large ribosomal
subunit is _____ - these combine to form a____ ribosome
30S; 50S; 70S
, prokaryotic ribosomal subunits are made in the ___ , and they are assembled into
a 70S ribosome in the _____
nucleoid/cytosol; cytosol
eubacteria and archaea can contain extrachromosomal pieces of DNA called
_____
plasmids
plasmids are segments of _____ DNA that may pass between cells
extrachromosomal; horizontally
