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Plasma membrane Inside cell 41. which diagram of a cell wall is a gram-negative cell wall? of) In Figure 4.3, which diagra Aa

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Answer #1

ANS (64) option b

REASON- because in diagram b thin layer of peptidoglycan layer is present. and in gram positive bacteria thick peptidoglycan layer is present.

(65) option b

REASON- dagram b is gram negative bacteria so its is having amphiphilic molecules embedded in outer membrane that are responsible for symptoms associated with infection.

(66) option a

REASON- because diagram a is gram positive bacteria having thick layer of peptidoglycan layer ,that prevents it from osmotic lysis.

(67) option b

REASON- because diagram b is gram negative bacteria , and it lacks thick peptidoglycan layer , (the thick peptidoglycan layer retains the violet-iodine complex in cell wall) therefore, the thin peptidoglycan layer leak out the violet-iodine complex after alcohol and get decolorized.

(68) option a

REASON- because diagram a is gram positive bacteria having impermeable cell wall that although there is no relationship with cell wall thickness but some exception is there in case of antibiotics that act on cell wall; such antibiotics requires the need of cell wall to alter its production thus affecting its multiplication,that's why penicillin don,t affects mycoplasma (don't, have cell wall).

(69) option a

REASON- long thread like structure appear on a surface and connect the bottom with plasma layer are teichoic acid.

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