Answer: The literal reason would be because our ancestors did. The ancestors of all modern mammals had five digits on each limb up to 360 million years ago.
Explanation:
Number B is the correct number
The sugar found in DNA contains one less oxygen molecule than the sugar found in RNA.
Answer:To begin with, initial transcription components include DNA, RNA polymerase core enzyme, and the σ subunit. Translation components include mRNA, small and large ribosomal subunits, initiation factors, elongation factors and tRNA.
Explanation: