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Standard XII
Biology
Endoplasmic Reticulum
Ribosomes are...
Question
Ribosomes are composed of
A
DNA+ protein
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B
DNA
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C
RNA+ protein
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D
RNA + DNA
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Solution
The correct option is
C
RNA+ protein
Ribosomes are 62% RNA and 38% protein formed into two complexes in prokaryotes, the 50S ribosome subunit and the 30S ribosome subunit.
Ribosome associated proteins are positively charged. This helps them to bind to the negatively charged mRNA.
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