BIOLOGY: CONCEPTS AND INVESTIGATIONS
18th Edition
ISBN: 9781307301335
Author: Hoefnagels
Publisher: MCG/CREATE
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Textbook Question
Chapter 7, Problem 14WIO
A protein-encoding region of a gene has the following DNA sequence: T T T C A T C A G G A T G C A A C A Determine how each of the following mutations alters the amino acid sequence:
a. Substitution of an A for the Tin the first posit ion
b. Substitution of a G for the C in the 17th position
c. Insertion of a T between the fourth and fifth DNA bases
d. Insertion of a GTA between the 12th and 13th DNA bases
e. Deletion of the first DNA
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The original DNA base sequence is
5’-AGCGTTACCGT-3’; a mutation in the DNA strand results in the base sequence 5’-AGGCGTTACCGT-3’. What can you conclude about the mutation?
A.
It is a frameshift mutation.
B.
It is a silent mutation.
C.
It is a deleterious mutation.
D.
It may result in a single amino acid change in the protein being coded for by this base sequence.
A small section of a gene for a protein has the following nucleotide sequence:
GCT CTA GCT ATC TGA
Which of the following mutations would cuase a silent mutation in the sequence shown above?
a. Replacement of second adenine base with thymine base
b. Replacement of first thymine base with adenine base
c. Replacement of second guanine base with cytosine base
d. Replacement of first cytosine base with guanine base
A small section of a gene for a protein has the following nucleotide sequence:
CCT AAG GAT TCA CTT
Which of the following mutations would cause a missense mutation in the sequence shown above?
a. Replacement of first guanine base with cytosine base
b. Replacement of first thymine base with cytosine base
c. Replacement of second thymine base with adenine base
d. Replacement of seond guanine base with adenine base
Chapter 7 Solutions
BIOLOGY: CONCEPTS AND INVESTIGATIONS
Ch. 7.1 - How did Griffiths research, coupled with the work...Ch. 7.1 - How did the Hershey-Chase blender experiments...Ch. 7.2 - What are the components of DNA and its...Ch. 7.2 - What evidence enabled Watson and Crick to decipher...Ch. 7.2 - Prob. 3MCCh. 7.3 - What is the relationship between a gene and a...Ch. 7.3 - Prob. 2MCCh. 7.3 - What are the three types of RNA, and how does each...Ch. 7.4 - What happens during each stage of transcription?Ch. 7.4 - Where in the cell does transcription occur?
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 - The amount of melanin in the skin is controlled by...Ch. 7 - The roundworm C. elegans has 556 cells when it...Ch. 7 - Refer to the figure to answer these questions: a....Ch. 7 - A protein-encoding region of a gene has the...Ch. 7 - Explain how a mutation in a protein-encoding gene,...Ch. 7 - Describe the mutation shown in figure 7.27 and...Ch. 7 - Parkinson disease causes rigidity, tremors, and...Ch. 7 - Prob. 18WIOCh. 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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