A) DNA and RNA
B) RNA and protein
C) DNA and protein
D) protein and lipids
Correct Answer: B
Solution :
Ribosomes are chemically composed of RNA and proteins (both occuring approximately in equal proportion). The RNA commonly formed ribosome is r-RNA. DNA and RNA are the genetic material. DNA is common in eukaryote and prokaryote whereas RNA is found in some viruses only. DNA and proteins (histone) form the nucleosome.
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