Gram negative (definitions and terms)

Question 1

Outer membrane layer

Answer 1

is found in gram-negative bacteria. among other things, the outer leaflet of the gram negative bacteria that includes a complex lipopolysaccharide whose lipid portion acts as an endotoxin.

Question 2

Peptidoglycan

Answer 2

composed of long chains.

Question 3

Periplasmic space

Answer 3

the space between the inner cytoplasmic membrane and the bacterial outer membrane, present in gram-positive bacteria.

Question 4

Cell Membrane

Answer 4

the semipermeable membrane surrounding the cytoplasm of a cell.

Question 5

Lipoproteins

Answer 5

any of a group of soluble proteins that combine with and transport fat or other lipids in the blood plasma.

Question 6

Membrane Protein

Answer 6

perform a variety of functions vital to the survival of organisms.

Question 7

Porins

Answer 7

any of a class of proteins whose molecules can form channels (large enough to allow the passage of small ions and molecules) through cellular membranes.

Question 8

Lipopolysaccharides

Answer 8

a complex molecule containing both lipid and polysaccharide parts.

Question 9

Phospholipids

Answer 9

a lipid containing a phosphate group in its molecule.