Procedure Complete the DNA molecule by writing a complementary strand. Coding St

Question

Procedure Complete the DNA molecule by writing a complementary strand. Coding Strand: CGT CTC TTC GGA CAC Complementary Strand: Write the mRNA sequence that will be created in the process of transcription. The DNA coding strand has the information for the gene, so the strand must be transcribed. The relationships are slightly different for RNA, because RNA does not have T; therefore, U should be substituted for T. To transcribe DNA to RNA, the pairing relationship is A - U, T - A, C - G, and G - C, respectively. Coding Strand: CGT CTC TTC GGA CAC mRNA Strand: Translate the mRNA into amino acids. Use Table 1 as a reference. Remember, when a "stop" codon is recognized, the protein creation is terminated. mRNA Strand: Amino Acids Formed: Questions How many nucleotides would it take to construct the mRNA coding strand of the Beta-subunit of the hemoglobin A molecule?

Explanation / Answer

1. Coding Strand: CGT CTC TTC GGA CAC

Complementary Strand: GCA GAG AAG CCT GTG

A pairs with T and G pairs with C. Go through the original to sequence pairing each A with T and each C with G in its complementary strand.

2. Coding Strand: CGT CTC TTC GGA CAC

Complementary Strand: GCA GAG AAG CCT GTG

mRNA Strand: CGU CUC UUC GGA CAC

3. Coding Strand: CGT CTC TTC GGA CAC

Complementary Strand: GCA GAG AAG CCT GTG

mRNA Strand: CGU CUC UUC GGA CAC

Amino acids Formed: Arg Leu Phe Gly His

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