Gram positive ( terms and definitions)

Question 1

Teichoic acid

Answer 1

a compound present in the walls of Gram-positive bacteria. It is a polymer of ribitol or glycerol phosphate.

Question 2

Lipoteichoic acid

Answer 2

a major constituent of the cell wall of gram-positive bacteria. These organisms have an inner peptidoglycan layer. It is released from the bacterial cells.

Question 3

Peptidoglycan

Answer 3

thick (multilayered), a substance forming the cell walls of many bacteria, consisting of glycosaminoglycan chains interlinked with short peptides.

Question 4

Periplasmic space

Answer 4

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

Question 5

Cell Membrane

Answer 5

the semipermeable membrane surrounding the cytoplasm of a cell.

Question 6

Membrane Protein

Answer 6

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