Ribosomes are particles about \[200\overset{\text{o}}{\mathop{\text{A}}}\,\] units in diameter consisting of protein and RNA. The percentage of protein and RNA respectively is:
A) 60% and 40%
B) 40% and 60%
C) 80% and 20%
D) 50% and 50%
Correct Answer:
A
Solution :
Ribosomes are made up of protein and RNA in about equal amounts.