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Transcript
Quick Lab How does a cell Interpret DNA? Procedure 1. A certain gene has the following sequence of nucleotides: GACAAGTCCACAATC 2. From left to right, write the sequence of the mRNA molecule transcribed from this gene. 3. Look at your genetic code diagram in your packet. Reading the mRNA codons from left to right, write the amino acid sequence of the polypeptide translated from the mRNA. 4. Repeat step 3, reading the codons from right to left. Analyze and Conclude 1. Applying Concepts Why did steps 3 and 4 produce different polypeptides? 2. Drawing Conclusions Do cells usually decode nucleotides in one direction only or in either direction?
