Homework Answers
Answer - A
The most directly affected part of the DNA replication process,if a strain of bacteria lacking helicase were used to make the cell extracts is Initiation of DNA synthesis.
DNA helicase initiates the first step of DNA replication by unzipping the DNA strands at the site of replication fork.It unwinds the two strands by breaking the hydrogen bonds and initiates replication.
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invas (2014) You prepare bacterial cell extracts by lysing the cells and removing insoluble debris via...
The type of ATPases associated with the integral binding of ATP as part of the transport...
The type of ATPases associated with the integral binding of ATP as part of the transport process and possessing a conserved domain for the binding of ATP is the V type P type F type ABC type no correct choice listed How many replication forks are formed when an origin of replication is opened? 1 2 3 4 Either C or D and depends whether it is a eukaryotic or prokaryotic cell. What part of the DNA replication process would...
Vocabulary: DNA Replication
Vocabulary: DNA Replication A. Helicase B. Primase C. Single Strand Binding Protein (SSB) D. Topoisomerase E. Origin of Replication F. DNA Polymerase G. Leading Strand H. Lagging strand I. DNA Ligase J. Okazaki Fragment K. Replication Fork L. RNA Primer M. Topoisomerase .1. Site where the replication of a DNA molecule begins. 2. The new continuous complementary DNA strand synthesized in the direction for the replication fork. 3. A discontinuously synthesized DNA strand that elongates in a direction away from the replication fork 4. Relaxes...
1. Match the molecule or term with its description Question Selected Match semi-conservative A. mechanism of...
1. Match the molecule or term with its description Question Selected Match semi-conservative A. mechanism of replication for viral DNA theta B. mechanism of replication for circular bacterial DNA rolling circle C. mechanism of DNA replication determined by Meselson and Stahl OriC D. where the two new DNA strands are synthesized A-T rich region E. where DNA unravels when initiator proteins bind OriC replication fork F. where replication begins for the bacterial chromosome leading strand G. the new DNA strand...
A. You are studying a strain of bacteria that carries a temperature-sensitive mutation in one of...
A. You are studying a strain of bacteria that carries a temperature-sensitive mutation in one of the genes required for DNA replication. The bacteria grow normally at the lower temperature, but when the temperature is raised they die. When you analyze the remains of the bacterial cells grown at the higher temperature you find evidence of partly replicated DNA. When the strands of this DNA are separated by heating, numerous single-stranded DNA molecules around 1000 nucleotides long are found. Which...
In rho-dependent transcription termination: the formation of a hairpin in the transcribed mRNA causes RNA polymerase...
In rho-dependent transcription termination: the formation of a hairpin in the transcribed mRNA causes RNA polymerase to pause, facilitating termination. rho binds the mRNA, and when it makes contact with RNA polymerase, it assists with the removal of the mRNA from the DNA template. the rho factor binds to the -10 consensus sequence located in the promoter region to terminate transcription. a site within the poly(A) tail is cleaved which signals termination. the 3' untranslated region (3" UTR) is synthesized....
1. The clamp loader loads the sliding clamp onto the DNA. Review the steps listed below....
1. The clamp loader loads the sliding clamp onto the DNA. Review the steps listed below. Which step would come SECOND? a) ATP binds to the y (gamma) subunits, which undergo a conformation change. b) Double-stranded DNA passes through the ß clamp. c) They (gamma) — p clamp —ATP complex binds primed DNA. d) Y (gamma) subunits bind to and open the clamp. e) Single-stranded DNA passes through the side of the ß clamp loader gap. 2. Which of the...
Please match the vocabulary words on the left side with the definitions on the right. the...
Please match the vocabulary words on the left side with the
definitions on the right.
the vocabulary word to the definition antiparallel A basic form of DNA in a double-stranded spiral chromatin B. a family of enzymes that catalyze the elongation of new DNA strands proteins that bind to DNA forming spools around which the DNA can be wound to form chromosomes DNA polymerase DNA replication D. short lengths of DNA that are made during DNA replication to make the...
For the next group of questions consider a diploid cell from a eukaryotic organism with a...
For the next group of questions consider a diploid cell from a eukaryotic organism with a total of ten chromosomes. After one round of the cell cycle is complete you observe a total of four daughter cells. During this cell division occurred and the resulting daughter cells are. mitosis; haploid with ten total chromosomes each mitosis; diploid with five total chromosomes each meiosis; diploid with ten total chromosomes each meiosis; haploid with five total chromosomes each Before the cell divided,...
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....
please all them Using the picture below, "G" represents a factor that fills in a small...
please all them
Using the picture below, "G" represents a factor that fills in a small gap between two DNA fragments by “sealing up" the phosphodiester backbone. This factor is called a: А A) single stranded binding protein B) ligase C) topoisomerase O A) single stranded binding protein B) ligase C) topoisomerase D) DNA polymerase III E) helicase Which of the lists below might contain sufficient ingredients to allow D. replication to occur in a test tube? A) primers, template...
The type of ATPases associated with the integral binding of ATP as part of the transport process and possessing a conserved domain for the binding of ATP is the V type P type F type ABC type no correct choice listed How many replication forks are formed when an origin of replication is opened? 1 2 3 4 Either C or D and depends whether it is a eukaryotic or prokaryotic cell. What part of the DNA replication process would...
A. You are studying a strain of bacteria that carries a temperature-sensitive mutation in one of the genes required for DNA replication. The bacteria grow normally at the lower temperature, but when the temperature is raised they die. When you analyze the remains of the bacterial cells grown at the higher temperature you find evidence of partly replicated DNA. When the strands of this DNA are separated by heating, numerous single-stranded DNA molecules around 1000 nucleotides long are found. Which...
In rho-dependent transcription termination: the formation of a hairpin in the transcribed mRNA causes RNA polymerase to pause, facilitating termination. rho binds the mRNA, and when it makes contact with RNA polymerase, it assists with the removal of the mRNA from the DNA template. the rho factor binds to the -10 consensus sequence located in the promoter region to terminate transcription. a site within the poly(A) tail is cleaved which signals termination. the 3' untranslated region (3" UTR) is synthesized....
Please match the vocabulary words on the left side with the
definitions on the right.
the vocabulary word to the definition antiparallel A basic form of DNA in a double-stranded spiral chromatin B. a family of enzymes that catalyze the elongation of new DNA strands proteins that bind to DNA forming spools around which the DNA can be wound to form chromosomes DNA polymerase DNA replication D. short lengths of DNA that are made during DNA replication to make the...
For the next group of questions consider a diploid cell from a eukaryotic organism with a total of ten chromosomes. After one round of the cell cycle is complete you observe a total of four daughter cells. During this cell division occurred and the resulting daughter cells are. mitosis; haploid with ten total chromosomes each mitosis; diploid with five total chromosomes each meiosis; diploid with ten total chromosomes each meiosis; haploid with five total chromosomes each Before the cell divided,...
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....
please all them
Using the picture below, "G" represents a factor that fills in a small gap between two DNA fragments by “sealing up" the phosphodiester backbone. This factor is called a: А A) single stranded binding protein B) ligase C) topoisomerase O A) single stranded binding protein B) ligase C) topoisomerase D) DNA polymerase III E) helicase Which of the lists below might contain sufficient ingredients to allow D. replication to occur in a test tube? A) primers, template...
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