Question

1) Describe the basic similarities and differences between DNA replication and transcription 2) Compare and contrast the ways in which animal and bacterial viruses gain entry into their host cells.

Answer 1

QUESTION 1

•Both processes requires the action of DNA helicase in order to unwinds the DNA

•Both requires a polymerase, in the case of DNA replication, a DNA polymerase is required while a RNA polymerase is required of transcription

•Both follows the rule of complementarity of nucleotides. With the exception of thymine to uracil in transcription

•Both process uses a DNA template

•In both processes the synthesis direction goes from 5’ to 3’

•In both processes a phosphodiester bond is formed

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