1
Question
Which structures are found in mycoplasmas, spirochaetes and rickettsias?
Which structures are found in mycoplasmas, spirochaetes and rickettsias?
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Solution
The correct option is D All of the above
Prokaryotes are unicellular organisms without membrane-bound organelles. They do not contain nuclear envelope. They contain nucleoid, genetic material without nuclear envelope. The genetic material present in them is DNA and RNA without proteins. They also contains ribosomes in the cytoplasm. Examples include bacteria like Mycoplasma, Rickettsias and Spirochaetes.Thus, the correct answer is 'All the above.'
Prokaryotes are unicellular organisms without membrane-bound organelles. They do not contain nuclear envelope. They contain nucleoid, genetic material without nuclear envelope. The genetic material present in them is DNA and RNA without proteins. They also contains ribosomes in the cytoplasm. Examples include bacteria like Mycoplasma, Rickettsias and Spirochaetes.
Thus, the correct answer is 'All the above.'
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