Question

What are the subunits of prokaryotic ribosomes?

• A. 50S, 30S
• B. 60S, 40S
• C. 70S, 30S
• D. 60S, 30S

Answer 1

Answer:

A. 50S, 30S

• Prokaryotes have a 70S ribosome and eukaryotes have an 80S ribosome.

• The 70S prokaryotic ribosome contains one large 50S subunit and one small 30S subunit.

• It is site of protein synthesis.