Homework Answers
Ans. 1. Replication initiator
DNA Polymerase
DNA Ligase
These are important factors for normal DNA replication.
Ans. 2. C only CTP is incorporated into growing chain by DNA Polymerase.
d. C incorrectly matched with A which the proof reading function of DNA polymerase releases CMP.
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Question 15 1 pts To study DNA replication, researchers often use bacteria that harbor a temperature...
To study DNA replication, researchers often use bacteria that harbor a temperature sensitive mutation in one...
To study DNA replication, researchers often use bacteria that harbor a temperature sensitive mutation in one of the genes related to replication. This means that when cells are grown at lower temperatures (30°C) they are fine, but when shifted to 42°C the effect of the mutation becomes evident and that protein is no longer functional. Depending on the gene mutated, researchers observe that for some replication stops almost immediately, but for others more slowly. In this question you have a...
Below is a figure comparing CTP on the left and CMP on the right. Based on...
Below is a figure comparing CTP on the left and CMP on the right. Based on these structures, and your understanding, which statement(s) below is/are CORRECT? (Choose all that apply.] ++ Deoxycylidine Triphosphate (CTP) Assuming a C was matched incorrectly to an A, the proofreading function of DNA polymerase would release a CMP as a product. Both CTP and CMP may be incorporated into a growing DNA strand by DNA polymerase. Assuming a C was matched incorrectly to an A,...
Below is a figure comparing CTP on the left and CMP on the right. Based on...
Below is a figure comparing CTP on the left and CMP on the right. Based on these structures, and your understanding, which statement(s) below is/are CORRECT? (Choose all that apply.) +++ CMP Deoxyetidine Thosphate (CT) Assuming a C was matched incorrectly to an A, the proofreading function of DNA polymerase would release a CMP as a product Both CTP and CMP may be incorporated into a growing DNA strand by DNA polymerase. Assuming a C was matched incorrectly to an...
What is/are the universal feature(s) of DNA replication?Choose all that apply. continuous replication of both strands...
What is/are the universal feature(s) of DNA replication?Choose all that apply. continuous replication of both strands of the double helix polymerization of a new strand in the 5' to 3' direction basepairing between nitrogenous bases semi-conservative replication release of PPi from incorporated nucleotides use of DNA primer to begin fragments Match the name of the protein/enzyme with its correct function during replication. You may use choices more than once or not at all. scan for errors in newly synthesized DNA...
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...
DNA, RNA, nucleotides, plasmid, helicase, DNA polymerase, primase, RNA primer of DNA replication
Define termsDNA, RNA, nucleotides, plasmid, helicase, DNA polymerase, primase, RNA primer of DNA replication, mutation, gene, amino acid, polypeptide chain, protein, codon, promoter region of a gene, RNA polymerase, transcription, mRNA, tRNA, RNA, ribosomes, translation, gene expression, conjugation, conjugative pilus, transformation, transductionExplain concept or process• Describe how nucleotides are linked together to form a single strand of nucleic acid• Explain the concept of a complementary pairing • Describe how DNA replication occurs in bacteria • Explain why a primer is necessary for...
Question 8 1 pts Base pairing is an essential property of a DNA helix. Its presence...
Question 8 1 pts Base pairing is an essential property of a DNA helix. Its presence or absence is very important for all of the following EXCEPT: Establishing the 5' to 3' polarity of a piece of DNA Providing a primer for DNA polymerase. Identifying an origin of replication. Identification of a damaged nucleotide that needs to be repaired. The use of a template to make a new daughter strand Question 9 Primase is an essential component of the replication...
QUESTION 12 The first step in the infection cycle of a virus is replication of its...
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
To study DNA replication, researchers often use bacteria that harbor a temperature sensitive mutation in one of the genes related to replication. This means that when cells are grown at lower temperatures (30°C) they are fine, but when shifted to 42°C the effect of the mutation becomes evident and that protein is no longer functional. Depending on the gene mutated, researchers observe that for some replication stops almost immediately, but for others more slowly. In this question you have a...
Below is a figure comparing CTP on the left and CMP on the right. Based on these structures, and your understanding, which statement(s) below is/are CORRECT? (Choose all that apply.] ++ Deoxycylidine Triphosphate (CTP) Assuming a C was matched incorrectly to an A, the proofreading function of DNA polymerase would release a CMP as a product. Both CTP and CMP may be incorporated into a growing DNA strand by DNA polymerase. Assuming a C was matched incorrectly to an A,...
Below is a figure comparing CTP on the left and CMP on the right. Based on these structures, and your understanding, which statement(s) below is/are CORRECT? (Choose all that apply.) +++ CMP Deoxyetidine Thosphate (CT) Assuming a C was matched incorrectly to an A, the proofreading function of DNA polymerase would release a CMP as a product Both CTP and CMP may be incorporated into a growing DNA strand by DNA polymerase. Assuming a C was matched incorrectly to an...
Question 8 1 pts Base pairing is an essential property of a DNA helix. Its presence or absence is very important for all of the following EXCEPT: Establishing the 5' to 3' polarity of a piece of DNA Providing a primer for DNA polymerase. Identifying an origin of replication. Identification of a damaged nucleotide that needs to be repaired. The use of a template to make a new daughter strand Question 9 Primase is an essential component of the replication...
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
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