A model showing base pairing of O 6 -MeG and cytosine. Introduction: DNA or deoxyribonucleic acid is a nucleic acid which plays an important role in storage, expression and transmission of genetic material. It consists of nucleotide bases which pairs with other nucleotides covalently and helps in formation of two strands of DNA. Nucleotides of DNA are of four types- adenine, thymine, guanine and cytosine.

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Chapter 11.2, Problem 2CS

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To sketch: A model showing base pairing of O⁶-MeG and cytosine.

Introduction: DNA or deoxyribonucleic acid is a nucleic acid which plays an important role in storage, expression and transmission of genetic material. It consists of nucleotide bases which pairs with other nucleotides covalently and helps in formation of two strands of DNA. Nucleotides of DNA are of four types- adenine, thymine, guanine and cytosine.

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BIOLOGY ACTIVITY -Gene Mutations and Proteins Objective: To demonstrate how gene mutations affect the production of proteins? Procedure: Use the following base sequence of one strand of an imaginary DNA molecule: AATTGAACACATGCGCCC. 2. Write the base sequence for an mRNA strand that would be transcribed from the given DNA sequence. Place your results in the table below. Use your codon table provided below to determine the sequence of amino acids in the resulting protein fragment. Place your results in the table below. If the fifth base in the original DNA strand were changed from G to C, how would this affect the resulting protein fragment? Write the new protein fragment in the table below. If G were added to the original DNA strand after the third base, what would the resulting mRNA look like? How would this addition affect the protein? Show your results in the table below. Data: mRNA from Step 2 Protein Sequence from Step 3 Protein Sequence from Step…

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