Biology: Concepts and Investigations
Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 7, Problem 5MCQ
Summary Introduction

Introduction:

A codon is a specific sequence of nucleotide that either contains three DNA or RNA molecule. It is responsible for initiation and termination of protein synthesis. Codon is different for different amino acid. Start codon is AUG which codes for amino acid methionine.

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a. If a single transition occurs in a codon that specifies Phe, what amino acids can be specified by the mutated sequence? b. If a single transversion occurs in a codon that specifies Phe, what amino acids can be specified by the mutated sequence? c. If a single transition occurs in a codon that specifies Leu, what amino acids can be specified by the mutated sequence? d. If a single transversion occurs in a codon that specifies Leu, what amino acids can be specified by the mutated sequence?
8.) Answer the following questions regarding the following DNA sequence. 3'TACGGGGATAGCCGGCGAATTAAATAGCTGTC - 5" A.) What is the MRNA sequence that would result from transcription of this sequence? Assume that the DNA would be read from left to right. What is the amino acid sequence that would result from translation of B.) the MRNA resulting from the sequence? See Codon Table on next page. 20 C.) What is the anti-codon found on the tRNA that would deliver the amino acid for the first codon in the MRNA sequence? D.) If the fourth nucleotide in the DNA sequence were deleted due to a mutation during DNA replication, what would the resulting amino acid sequence be? What type of mutation is this? E.) What impact would the mutation in the DNA sequence in PART D have on the function of the protein produced from original sequence? Why?
Consider the mRNA base sequence 5' ACC CAC 3'. what dipeptide is coded for by this mRNA? *   A. Asparagine- Histidine   B. Lysine -Serine   C. Aspartic Acid - Histidine   D. Lysine-Glysine Look at the following sequence, " THE FAT CAT ATE THE CAT" Remove the first "H" and regroup the letters in group of three. What type of mutation? *   A. Deletion-Frameshift   B. Insertion- frameshift   C. Substitution-Deletion   D. Substitution-Insertion Which of the following types of RNA is involved in the transcription phase of protein synthesis? *   A. rRNA   B. tRNA   C. hnRNA   D. no correct response A tRNA molecule has the anticodon 5' AAG 3', with which mRNA codon will this anticodon interact? *   A. 5' AAG 3   B. 5' CUU 3'   C. 3' GAA 5'…

Chapter 7 Solutions

Biology: Concepts and Investigations

Ch. 7.4 - What is the role of RNA polymerase in...Ch. 7.4 - What are the roles of the promoter and terminator...Ch. 7.4 - How is mRNA modified before it leaves the nucleus...Ch. 7.5 - How did researchers determine that the genetic...Ch. 7.5 - What happens in each stage of translation?Ch. 7.5 - Where in the cell does translation occur?Ch. 7.5 - How are polypeptides modified after translation?Ch. 7.6 - What are some reasons that cells regulate gene...Ch. 7.6 - Prob. 2MCCh. 7.6 - Prob. 3MCCh. 7.6 - Prob. 4MCCh. 7.7 - What is a mutation?Ch. 7.7 - What are the types of mutations, and how does each...Ch. 7.7 - Prob. 3MCCh. 7.7 - Prob. 4MCCh. 7.7 - How are mutations important?Ch. 7.8 - What question about the FOXP2 gene were the...Ch. 7.8 - What insights could scientists gain by...Ch. 7 - A nucleotide is composed of all of the following...Ch. 7 - Prob. 2MCQCh. 7 - Transcription copies a _______ to a complementary...Ch. 7 - Choose the DNA sequence from which this mRNA...Ch. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - How does the lac operon regulate lactose digestion...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - Prob. 10MCQCh. 7 - Explain how Griffiths experiment and Avery,...Ch. 7 - Prob. 2WIOCh. 7 - Prob. 3WIOCh. 7 - Put the following in order from smallest to...Ch. 7 - Prob. 5WIOCh. 7 - List the three major types of RNA and their...Ch. 7 - Some people compare DNA to a blueprint stored in...Ch. 7 - Prob. 8WIOCh. 7 - Prob. 9WIOCh. 7 - If a protein is 1259 amino acids long, what is the...Ch. 7 - Prob. 11WIOCh. 7 - The roundworm C. elegans has 556 cells when it...Ch. 7 - A protein-encoding region of a gene has the...Ch. 7 - Explain how a mutation in a protein-encoding gene,...Ch. 7 - Refer to the figure to answer these questions: a....Ch. 7 - Describe the mutation shown in figure 7.27 and...Ch. 7 - Prob. 17WIOCh. 7 - Parkinson disease causes rigidity, tremors, and...Ch. 7 - Refer to figure 7.28 and the chapter con tent to...Ch. 7 - Prob. 2PITCh. 7 - Prob. 3PITCh. 7 - Prob. 4PIT
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