(b)The cell wall of Mycoplasmas is made up of amino sugars
(c)Viroids consist of a single-stranded RNA molecule
(d)Rickettsias lack cell wall
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Class 9Cell: The Building Block of Life— NCERT Science, Chapter 2. The cell is the basic unit of structure and function of life. Cells are too small for the eye, which resolves only 0.1 mm, so they are studied with light and electron…
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