In an effort to clone a human protein, material from a human cell is introduced into bacteria. Which of the following human materials are needed for this procedure?
A. The segment of DNA coding for the protein's mRNA transcript.
B. The rRNA and tRNA used during translation of the protein.
C. The protein's mRNA transcript found in the nucleus.
D. The protein's mRNA found in the cytoplasm.
E. The introns removed from the protein's unprocessed mRNA transcript
Answer: D. The protein's mRNA found in the cytoplasm.