Q.

What distinguishes eukaryotic ribosomes from prokaryotic ribosomes?

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a

Eukaryotic ribosomes are not involved in protein synthesis, unlike prokaryotic ribosomes.

b

Eukaryotic ribosomes are composed of RNA and proteins, while prokaryotic ribosomes are made only of proteins.

c

Eukaryotic ribosomes are 80S, composed of 60S and 40S subunits, whereas prokaryotic ribosomes are 70S, composed of 50S and 30S subunits.

d

Eukaryotic ribosomes are surrounded by a membrane, whereas prokaryotic ribosomes are not.

answer is B.

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Detailed Solution

Eukaryotic ribosomes are 80S, composed of 60S and 40S subunits, whereas prokaryotic ribosomes are 70S, composed of 50S and 30S subunits.

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What distinguishes eukaryotic ribosomes from prokaryotic ribosomes?