Animal KingdomHard
Question
Which one of the following statements is correct ?
Options
A.Prions are the smallest free - living cells.
B.The cell well of Mycoplsmas is made up of amino sugars.
C.Viroids consist of single-stranded RNA molecile.
D.Rickettsiae lack cell wall
Solution
Viroid is a small infective segment of nucleic acid, usually RNA.
Prion is an infectious pathogenic agentdevoid of nucleic acid and composed mainly of proteins.
Mycoplasmas lack a cell wall while
Rickettsiase possess a cell wall.
Prion is an infectious pathogenic agentdevoid of nucleic acid and composed mainly of proteins.
Mycoplasmas lack a cell wall while
Rickettsiase possess a cell wall.
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