The effect on transcription and translation if the start codon from a protein-encoding gene is eliminated by mutation. Introduction: The genetic expression of gene follows directionality of the flow of the information according to the mechanism of the central dogma. The transcription process includes the flow of the genetic information from a segment of the DNA to make complementary mRNA fragment. The mRNA molecules are then undergoes capping and addition of poly A tail to be able to move from nucleus to the site of translation. The translation occurs at ribosomes and converts the information stored in mRNA codons to be finally expressed as chain of amino acid joined by the peptide bond know as protein.

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12.4, Problem 1CC

Summary Introduction

To explain: The effect on transcription and translation if the start codon from a protein-encoding gene is eliminated by mutation.

Introduction: The genetic expression of gene follows directionality of the flow of the information according to the mechanism of the central dogma. The transcription process includes the flow of the genetic information from a segment of the DNA to make complementary mRNA fragment. The mRNA molecules are then undergoes capping and addition of poly A tail to be able to move from nucleus to the site of translation. The translation occurs at ribosomes and converts the information stored in mRNA codons to be finally expressed as chain of amino acid joined by the peptide bond know as protein.

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If a mutation eliminated the start codon from a gene, howwould the mutation affect transcription, and how would it affect translation?

If the base sequence of a segment of a molecule of DNA is changed, will the base sequence of the mRNA made during transcription be changed?

Why will a mistake in the RNA code alone not become a mutation?

Answer 2

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12.4, Problem 1CC

Summary Introduction

To explain: The effect on transcription and translation if the start codon from a protein-encoding gene is eliminated by mutation.

Introduction: The genetic expression of gene follows directionality of the flow of the information according to the mechanism of the central dogma. The transcription process includes the flow of the genetic information from a segment of the DNA to make complementary mRNA fragment. The mRNA molecules are then undergoes capping and addition of poly A tail to be able to move from nucleus to the site of translation. The translation occurs at ribosomes and converts the information stored in mRNA codons to be finally expressed as chain of amino acid joined by the peptide bond know as protein.

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Answer 3

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12.4, Problem 1CC

Summary Introduction

To explain: The effect on transcription and translation if the start codon from a protein-encoding gene is eliminated by mutation.

Introduction: The genetic expression of gene follows directionality of the flow of the information according to the mechanism of the central dogma. The transcription process includes the flow of the genetic information from a segment of the DNA to make complementary mRNA fragment. The mRNA molecules are then undergoes capping and addition of poly A tail to be able to move from nucleus to the site of translation. The translation occurs at ribosomes and converts the information stored in mRNA codons to be finally expressed as chain of amino acid joined by the peptide bond know as protein.

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Answer 4

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 12.4, Problem 1CC

Summary Introduction