43.Gram-positive bacteria have ____ and appear ____ under the microscope after G

Question

43.Gram-positive bacteria have ____ and appear ____ under the microscope after Gram staining.

thick cell walls; purple

thin cell walls; purple

thin cell walls; pink

thick cell walls; pink

thin cell walls; blue

QUESTION 41

AIDS stands for ____.

Accelerated Immune Death Syndrome

Acquired Immune Deficiency Syndrome

Acquired Immuno Defense Syndrome

Accentuated Induced Deficiency Syndrome

Advantageous Immunity Deficiency Syndrome

QUESTION 40

Sequencing of the HIV-1 genome revealed that it is most closely related to ____.

feline immunodeficiency virus

simian immunodeficiency virus

H1N1

hepatitis B

bovine immunodeficiency virus

a.

thick cell walls; purple

b.

thin cell walls; purple

c.

thin cell walls; pink

d.

thick cell walls; pink

e.

thin cell walls; blue

QUESTION 41

AIDS stands for ____.

a.

Accelerated Immune Death Syndrome

b.

Acquired Immune Deficiency Syndrome

c.

Acquired Immuno Defense Syndrome

d.

Accentuated Induced Deficiency Syndrome

e.

Advantageous Immunity Deficiency Syndrome

Explanation / Answer

43. A thick wall and purple colour

Gram positive bacteria have thick wall of peptidoglycan that retains purple colour with gram stain.

41. B acquired immuno deficiency syndrome

As HIV virus leads to reduction in immunity of body as it attacks immune cells.

40. B simian immunodeficiency virus.

This virus is believed to have crossed the species barrier from chimpanzees into the human resulting in HIV virus.

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