Ribosomes are granules made of

rRNA and tRNA

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mRNA and tRNA

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rRNA and proteins

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mRNA and proteins

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Solution

The correct option is C rRNA and proteins
Ribosomes are known as protein factories because they are the main site of protein synthesis.
They are composed of ribosomal RNA and proteins.
Its main function includes protein synthesis by translating the rRNA for forming specific proteins required for the cell functioning.
So, the correct answer is 'rRNA and proteins'.

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Similar questions

Q. Which of the following subunit of ribosomes is composed of 23S rRNA and a 5S rRNA + 32 different proteins?

Read the following statement and inferences, and select the correct option.

Statement: The core of the larger ribosomal subunit, where the transfer of the peptidyl bonds happen from one amino acid to the next, is made up entirely of rRNA

Inference:

A. rRNA is smaller than proteins and hence can fit in the smallest of crevices

B. rRNA has catalytic capability and hence confers the name ribozyme to ribosome

C. rRNA has higher binding affinity with each other and hence excludes proteins from its core structure

D. The proteins which make up ribosome do not have a significant role to play in its catalytic activity

Which of the inferences are true?

Q. Clusters of rRNA where ribosomes are assembled are called

Q. rRNA : protein ratio of 80 S ribosome is

Q. Proteins are synthesised by ribosomes present onand modified and packaged in.

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