Biology (Dna) Worksheet - Answer Key Page 3

14. Following the rules of transcription, predict which DNA bases would have created the given mRNA bases.

Remember that DNA has different bases than RNA.

A G C A T G G T A A

15. Following the rules of transcription, fill in the missing bases from the strands of DNA and RNA.

C A A T A

U A G C A

16. Examine #15. Is the top strand a segment of DNA or RNA? Explain your answer.

DNA because Thymine (T) is present, not uracil (U)

Transcription and Translation: Use the picture to answer questions 17‐19.

17. Describe what is forming and happening in area A of the diagram (use best writing skills).

Transcription is taking place inside area A. mRNA is combining with the strand of DNA.

18. Describe what is forming and happening in area B of the diagram (use best writing skills).

tRNA are gathering the correct amino acids. Soon they will be delivered to the ribosome in area C.

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