The meaning of saying that tRNA is a translator. Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

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Answer 1

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Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

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Listed below are five amino acids. Use the genetic code to determine the exact codon for each amino acid. A point mutation at the genetic level in each codon results in the change indicated. For each mutation, indicate whether it is due to a transition or a transversion, and then indicate the effect of each mutation at the protein (amino acid level) (i.e. silent, nonsense, missense). In addition, Please note, each of the three lines above an amino acid represents a single RNA base. For example, when you look at the codon chart AUG would stand for Met (methionine) Lys 1 Glu Ile 3 Stop Ile 4.

Listed below are five amino acids. Use the genetic code to determine the exact codon for each amino acid. A point mutation at the genetic level in each codon results in the change indicated. For each mutation, indicate whether it is due to a transition or a transversion, and then indicate the effect of each mutation at the protein (amino acid level) (i.e. silent, nonsense, missense). In addition, Please note, each of the three lines above an amino acid represents a single RNA base. For example, when you look at the codon chart AUG would stand for Met (methionine) Lys 2 1 Glu Ile 4 Stop Ile Mutation 1: 1. Circle the appropriate answer: This mutation is a transition/transversion 2. Circle the appropriate answer: This mutation results in a missense/silent/nonsense mutation in the protein sequence. Mutation 2: 1. Circle the appropriate answer: This mutation is a transition/transversion 2. Circle the appropriate answer: This mutation results in a missense/silent/nonsense mutation in the…

Explain the significance of the following statement: The functioning of the aminoacyl-tRNA synthetases is referred to as the second genetic code.

Answer 2

Question

Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

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Answer 3

Question

Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

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Answer 4

Question

Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

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Answer 5

Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

Answer 6

Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

Answer 7

Chapter 17, Problem 5IQ

a.

Summary Introduction

To explain: The meaning of saying that tRNA is a translator.

Introduction: The genetic information of DNA is based in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. After transcription, mRNA sequences are read by tRNA in the ribosome to synthesize polypeptides, and the process is known as translation. tRNA molecules have an anticodon that pairs with its complementary codon during translation. As a result, the codon-specific amino acid comes through the other end of the tRNA. These amino acids form a polypeptide chain.

Answer 8

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

Answer 9

b.

Summary Introduction

To fill: The given table using some of the codons and the amino acids.

Introduction: The genetic information of DNA is encrypted in the nucleotide base sequences. These sequences are transcribed into mRNA triplets and are called codons. These mRNA triplet nucleotides are then translated to form a polypeptide.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 17 - a. In what three ways does RNA differ from DNA? b....Ch. 17 - Prob. 2IQ Ch. 17 - Prob. 3IQ Ch. 17 - How does the mRNA that leaves the nucleus differ...Ch. 17 - Prob. 5IQ Ch. 17 - In the following diagrams of polypeptide...Ch. 17 - What determines if a ribosome becomes bound to the...Ch. 17 - Define the following terms and explain what type...Ch. 17 - You have been introduced to several types of RNA...Ch. 17 - Prob. 2SYK

Solution Summary: The author explains that tRNA is a translator. mRNA sequences are transcribed into codons, which are read in the ribosome to synthesize polypeptides.

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Chapter 17 Solutions