Homework Answers
1.
- DNA fingerprinting (also called a DNA profiling) is a labortaory technique that enables the identification of an individual or determinig the characteristics of a person.
- It involves the linking the biologicla evidence to a personal.
- One of the basis of this technique is characterizing the DNA region speicfic to a person.
- Due to silent mutation many of these differences between individuals does not produce any change in phenotypes.
2.
The order of base pair in a DNA molecule is species speicies i.e. it differ from species to species.
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DNA fingerprinting is based on regions of DNA that are variable between individuals. Many of these...
*Template Strand of DNA 3. The following shows the first portion of a DNA strand of...
*Template Strand of DNA 3. The following shows the first portion of a DNA strand of a gene that is 2,500 base pairs long. AUG TACȚTCCCGGAGCCC--- TAAG LLL ODRAL a. What is the amino acid sequence encoded for by this strand starting with the T nucleotide on the left? Met b. Give an example of a synonymous substitution (a silent mutation) that could occur in the second codon of the DNA strand. c. Give an example of a nonsense mutation...
A single mutation has occurred in the following DNA sequence. 5' ATG TTC CAG CCA 3'...
A single mutation has occurred in the following DNA sequence. 5' ATG TTC CAG CCA 3' wild-type (normal) sequence 5' ATG TTC TAG CCA 3' mutant sequence a) Identify and classify the mutation according to its molecular structure (i.e., insertion, deletion base substitution (transversion), or base substitution (transition)). Briefly explain why you selected this classification. b) Identify and classify the mutation according to its functional effects (i.e., frameshift, missense, nonsense, or silent). Briefly explain why you selected this classification.
A single mutation has occurred in the following DNA sequence. 5' ATG TTG GCC CAT 3'...
A single mutation has occurred in the following DNA sequence. 5' ATG TTG GCC CAT 3' wild-type (normal) sequence 5' ATG TTG CCC CAT 3' mutant sequence (a) Identify and classify the mutation according to its molecular structure (i.e., insertion, deletion base substitution (transversion), or base substitution (transition)). Briefly explain why you selected this classification. (1.75 marks) (b) Identify and classify the mutation according to its functional effects (i.e., frameshift, missense, nonsense, or silent). Briefly explain why you...
33. Which of the following requires direct contact between a donor bacterium and a recipient bacterium...
33. Which of the following requires direct contact between a donor bacterium and a recipient bacterium for transfer of DNA? a. Crossing over b. Mutation c. Transduction d. Conjugation e. Transformation 34. All of the following are true of base substitutions except: a A base substitution may cause no change in the protein encoded by the affected gene b. A base substitution can result in the production of a shortened protein c. Mutations rarely involve base substitutions. d. Base substitutions...
11. What is the first amino ackd of any initial protein that is A. Valine C....
11. What is the first amino ackd of any initial protein that is A. Valine C. Lysine D. Tryptophan E. Methionine 12. Choose all that apply. Polymerase Chain Reaction (PCR) can be used to A Create a DNA profile of suspects, victims, and criminals during crime scene investigations B. Duplicate pieces C. Help determine paternity D. Stimulate cell division E. Stimulate gene expression of DNA into many copies using a special form of DNA polymerase 13. What occurs during transcription?...
A single mutation has occurred in the following DNA sequence. 5' ATG AAA TTA CCA 3'...
A single mutation has occurred in the following DNA sequence. 5' ATG AAA TTA CCA 3' wild-type (normal) sequence 5' ATG AAG TTA CCA 3' mutant sequence (a) Identify and classify the mutation according to its molecular structure (i.e., insertion, deletion base substitution (transversion), or base substitution (transition)). Briefly explain why you selected this classification (1.75 marks) (b) Identify and classify the mutation according to its functional effects (i.e., frameshift, missense, nonsense, or silent). Briefly explain why you selected this...
How DNA Is Copied 4. What does it mean that the two strands of DNA are...
How DNA Is Copied 4. What does it mean that the two strands of DNA are complementary? 5. What is DNA replication?, 6. Using your notes, book, and this assignment, place the steps of DNA replication in the correct order. a. The enzyme DNA polymerase moves along the exposed strands and adds complementary nucleotides to each nucleotide in each existing strand. b. The DNA double helix breaks or unzips down the middle between the base pairs. C. A complementary strand...
Answer the questions: Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter ....
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Chapter 8: Microbial Genetics and Genetic Engineering Reading Assignment: Chapter 8 1. Describe the structure and...
Chapter 8: Microbial Genetics and Genetic Engineering Reading Assignment: Chapter 8 1. Describe the structure and function of DNA in the microbial cell. List the chemical components of DNA including the nitrogen bases and the role of histones. 2. Define the following: genome, chromosome, gene, genotype, phenotype, and palindrome. 3. Describe the process of DNA replication in microbes. Explain the term semi-conservative replication 4. Describe the steps in protein synthesis. Compare and contrast transcription and translation. Describe the roles of...
Question 33 2 pts Which of the following statements about the process of DNA replication is...
Question 33 2 pts Which of the following statements about the process of DNA replication is true? It involves the enzyme DNA ligase, which corrects point mutations. It utilizes DNA polymerase, which catalyzes the reaction that adds a new nucleotide to the growing strand. The sequence on the new strand is always identical to one of the old parent strands. Adenine pairs with guanine, and cytosine pairs with thymine. Question 34 2 pts The DNA base...
*Template Strand of DNA 3. The following shows the first portion of a DNA strand of a gene that is 2,500 base pairs long. AUG TACȚTCCCGGAGCCC--- TAAG LLL ODRAL a. What is the amino acid sequence encoded for by this strand starting with the T nucleotide on the left? Met b. Give an example of a synonymous substitution (a silent mutation) that could occur in the second codon of the DNA strand. c. Give an example of a nonsense mutation...
33. Which of the following requires direct contact between a donor bacterium and a recipient bacterium for transfer of DNA? a. Crossing over b. Mutation c. Transduction d. Conjugation e. Transformation 34. All of the following are true of base substitutions except: a A base substitution may cause no change in the protein encoded by the affected gene b. A base substitution can result in the production of a shortened protein c. Mutations rarely involve base substitutions. d. Base substitutions...
11. What is the first amino ackd of any initial protein that is A. Valine C. Lysine D. Tryptophan E. Methionine 12. Choose all that apply. Polymerase Chain Reaction (PCR) can be used to A Create a DNA profile of suspects, victims, and criminals during crime scene investigations B. Duplicate pieces C. Help determine paternity D. Stimulate cell division E. Stimulate gene expression of DNA into many copies using a special form of DNA polymerase 13. What occurs during transcription?...
A single mutation has occurred in the following DNA sequence. 5' ATG AAA TTA CCA 3' wild-type (normal) sequence 5' ATG AAG TTA CCA 3' mutant sequence (a) Identify and classify the mutation according to its molecular structure (i.e., insertion, deletion base substitution (transversion), or base substitution (transition)). Briefly explain why you selected this classification (1.75 marks) (b) Identify and classify the mutation according to its functional effects (i.e., frameshift, missense, nonsense, or silent). Briefly explain why you selected this...
How DNA Is Copied 4. What does it mean that the two strands of DNA are complementary? 5. What is DNA replication?, 6. Using your notes, book, and this assignment, place the steps of DNA replication in the correct order. a. The enzyme DNA polymerase moves along the exposed strands and adds complementary nucleotides to each nucleotide in each existing strand. b. The DNA double helix breaks or unzips down the middle between the base pairs. C. A complementary strand...
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Chapter 8: Microbial Genetics and Genetic Engineering Reading Assignment: Chapter 8 1. Describe the structure and function of DNA in the microbial cell. List the chemical components of DNA including the nitrogen bases and the role of histones. 2. Define the following: genome, chromosome, gene, genotype, phenotype, and palindrome. 3. Describe the process of DNA replication in microbes. Explain the term semi-conservative replication 4. Describe the steps in protein synthesis. Compare and contrast transcription and translation. Describe the roles of...
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