MCQOPTIONS
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| 1. |
Which one of following statement is correct ? |
| A. | Prions are the smallest free living cells |
| B. | The cell wall of mycoplasmas is made up of amino sugar |
| C. | Viroids consist of single stranded RNA molecule |
| D. | Rickettsias lack cell wall |
| Answer» D. Rickettsias lack cell wall | |