D. mRNA is synthesized from a strand of DNA.
Transcription, hence the root script, means to write. This is the creation of the mRNA "messenger" information.
in the nucleolus ribosomes are made.
Distance/Time = 120 Km/2 hours =120/2 Km per hour or for short 60 Km per hour
I'm not exactly sure of your question but here's what i think your asking, Darwin and scientists today have discovered that the ancient organisms whose remains they find look like organisms alive today because they are the living organisms' ancestors or evolved from a common ancestor. They provide valuable information about evolution and how life formed