If DNA polymerase adds a G across from an 'A' in the template strand during DNA replication
If DNA polymerase adds a G across from an 'A' in the template strand during DNA replication (and it is not repaired/replaced), what kind of mutation results after the next round of replication? Briefly explain
Homework Answers
In DNA A base pairs with T, If DNA polymerase adds G instead of T to A in the template strand and if this error is not removed AG basepair is formed.
In the next round of replication, strand with A and strand with G are used as template strands.
DNA replication the template strand with A, DNA polymerase adds T.
DNA replication using the template strand with G, DNA polymerase adds C.
so in one daughter DNA molecule AT basepair is mutated to GC basepair.
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If DNA polymerase adds a G across from an 'A' in the template strand during DNA replication
If the template strand for replication (the DNA strand that the DNA polymerase binds to and...
If the template strand for replication (the DNA strand that the DNA polymerase binds to and "reads") has the sequence 5'-AGGCTTCGCTCCCG-3' then the complementary strand synthesized by the DNA polymerase would be what ?
1. (a) Assume that during DNA replication in a bacterium a mistake is made and a...
1. (a) Assume that during DNA replication in a bacterium a mistake is made and a G is inserted into the newly synthesized DNA strand opposite a T in the template DNA strand. If this mistake is not repaired before the next round of DNA replication, what mutation will eventually result? Show your work (b) What type of mutation is the resulting mutation? (transversion, transition, indel, base substitution) 2. (a) What is the purpose of Taq polymerase in a PCR...
Normally, DNA polymerase III proofreads as it synthesizes a new strand. If it misses an error...
Normally, DNA polymerase III proofreads as it synthesizes a new strand. If it misses an error and adds an incorrect base to a new strand, what is the consequence? This is a mutation and would be repaired by ligase because cells cannot have mutations that are uncorrected. This is a mutation and would result in the death of the cell that contains it. This is a mutation and would be inherited by cells that receive copies made from the altered...
DNA polymerase adds nucleotides to the 5' end of an existing strand to synthesize a new...
DNA polymerase adds nucleotides to the 5' end of an existing strand to synthesize a new DNA strand synthesizes a short RNA segment to begin DNA replication seals nicks between adjacent segments of DNA unwinds the DNA double helix at the origin of replication adds nucleotides to the 3' end of an existing strand to synthesize a new DNA strand A ribosome consists of OrRNA and ribosomal proteins three subunits of different size two large subunits O RNA and ribosomal...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands...
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Complete each sentence to explain DNA replication. three parent strand as the During DNA replication, the...
Complete each sentence to explain DNA replication.
three parent strand as the During DNA replication, the double-stranded DNA bonds connecting the parent strands are broken. hydrogen covalent An enzyme called is responsible for this step. DNA polymerase helicase New position themselves along the parent strands through nucleotides two The nucleotides are joined to each oth by an enzyme called complementary base pairing unwinds Now, new daughter DNA molecules are produced, each consisting of one old and one new rendering DNA...
16. Which of the following enzymes adds DNA to the ends or material with duplication? a....
16. Which of the following enzymes adds DNA to the ends or material with duplication? a. Telomerase b. Polymerase d. Primase e. Ligase 1. Which of the following structures indicates where DNA replication begins a. DNA polymerase III b. Replication fork C. Helicase d. Origin of replication e. Centromeres 18. A select mutation is causing a cell lineape to be unable to replicate DNA SUccessfully NA successfully. When observed under a microscope, researchers observe that the DNA is able to...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
1. A mutation in the gene for DNA ligase will impact which strand during DNA replication...
1. A mutation in the gene for DNA ligase will impact which strand during DNA replication a. The leading b. The laggingc. Both the leading and the lagging d. Neither the leading strand or the lagging strand
Question 10 A human chromosome has 3 origins of replication. Assuming that all 3 origins of...
Question 10 A human chromosome has 3 origins of replication. Assuming that all 3 origins of replication are used at the same time, what is the maximum number of helicases present on DNA during DNA replication (not including DNA repair)? 12 O 3 O2 Question 11 Which of the following correctly compares primase and telomerase? O Both primase and telomerase synthesize DNA using a DNA template. O Primase synthesizes RNA using an RNA template, but telomerase synthesizes DNA using a...
1. (a) Assume that during DNA replication in a bacterium a mistake is made and a G is inserted into the newly synthesized DNA strand opposite a T in the template DNA strand. If this mistake is not repaired before the next round of DNA replication, what mutation will eventually result? Show your work (b) What type of mutation is the resulting mutation? (transversion, transition, indel, base substitution) 2. (a) What is the purpose of Taq polymerase in a PCR...
DNA polymerase adds nucleotides to the 5' end of an existing strand to synthesize a new DNA strand synthesizes a short RNA segment to begin DNA replication seals nicks between adjacent segments of DNA unwinds the DNA double helix at the origin of replication adds nucleotides to the 3' end of an existing strand to synthesize a new DNA strand A ribosome consists of OrRNA and ribosomal proteins three subunits of different size two large subunits O RNA and ribosomal...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands Adds short pieces of RNA to help DNA polymerase start Removes RNA and replaces with DNA Fuses or "glues" fragments of DNA together Proofreads or edits the DNA, checking for mistakes Given the following, DNA Sequence, what is the new daughter strand? (Did you label the 5' and 3' ends?) What is the name of the "fragments" of DNA on the lagging strand after...
Complete each sentence to explain DNA replication.
three parent strand as the During DNA replication, the double-stranded DNA bonds connecting the parent strands are broken. hydrogen covalent An enzyme called is responsible for this step. DNA polymerase helicase New position themselves along the parent strands through nucleotides two The nucleotides are joined to each oth by an enzyme called complementary base pairing unwinds Now, new daughter DNA molecules are produced, each consisting of one old and one new rendering DNA...
16. Which of the following enzymes adds DNA to the ends or material with duplication? a. Telomerase b. Polymerase d. Primase e. Ligase 1. Which of the following structures indicates where DNA replication begins a. DNA polymerase III b. Replication fork C. Helicase d. Origin of replication e. Centromeres 18. A select mutation is causing a cell lineape to be unable to replicate DNA SUccessfully NA successfully. When observed under a microscope, researchers observe that the DNA is able to...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
1. A mutation in the gene for DNA ligase will impact which strand during DNA replication a. The leading b. The laggingc. Both the leading and the lagging d. Neither the leading strand or the lagging strand
Question 10 A human chromosome has 3 origins of replication. Assuming that all 3 origins of replication are used at the same time, what is the maximum number of helicases present on DNA during DNA replication (not including DNA repair)? 12 O 3 O2 Question 11 Which of the following correctly compares primase and telomerase? O Both primase and telomerase synthesize DNA using a DNA template. O Primase synthesizes RNA using an RNA template, but telomerase synthesizes DNA using a...
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