Homework Answers
12.
i. DNA is unzipped or unwound by helicase. It prokaryotes DNA B acts as helicase and in eukaryotes MCM 2-7 acts as helicase.
ii. The complimentary strands are added by to each template strand by DNA polymerase. DNA polymerase lll in prokaryotes and DNA polymerase gama/delta in eukaryotes are two enzymes involved mainly in this process.
iii. The strands are kept separated by single standard binding protein. In prokaryotes it is SSB and in eukaryote it is RP-A.
iv. The strss of unwinding is relieved by topoisomerase.
v. The fragments of daughter strands are kept joined together by DNA ligase.
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12. Fill in the blanks for the following that happen when a cell copies a DNA...
dentify the correct action and event for clamp loading proteins catalyzes the joining of deoxyribonucleotide 5...
dentify the correct action and event for clamp loading proteins catalyzes the joining of deoxyribonucleotide 5 -triphosphates (dNTPs) to form the growing DNA chain O an enzyme that can synthesize short fragments of RNA de novo which are complementary to the parent strand template and serve as primers for DNA replication proteins that specifically recognize and bind DNA at the junction between the primer and template proteins that bind adjacent to the clamp-loading proteins, forming a ring around the template...
11. Several enzymes and proteins participate in DNA replication. Answer the fill in the blan below...
11. Several enzymes and proteins participate in DNA replication. Answer the fill in the blan below bonds unwinds DNA by breaking the a. The enzyme between the nitrogenous bases bind to single-stranded DNA to stabilize it and to prevent it from reannealing to the other DNA strand. makes DNA This enzyme adds nuceotides to the end of a nucleic acid strands; therefore, it makes DNA in the to direction . DNA Polymerase cannot put two nucleotides together, instead, it adds...
I need help on question 6 fill in the blanks 6. Cystic fibrosis is autosomal recessive...
I need help on question 6 fill in the blanks
6. Cystic fibrosis is autosomal recessive (r). The genotype of a CF patient should be Huntington's disease is a disorder. The possible genotypes of a Huntington patient are Hemophilia is a disorder. Both parents are normal, their son has hemophilia. What is the mother's genotype? What is the father's genotype? What is the son's genotype? If they have a daughter, what would her phenotype be? Her possible genotype should be...
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...
Only answers please don’t show work 33) Viral DNA incorporated into host cell DNA is known...
Only answers please don’t show work
33) Viral DNA incorporated into host cell DNA is known as a/an A) phage. B) envelope C) capsid. 33) 34) How is transformation in bacteria most A) the creation of a strand of RNA from DNA molecule B) the type of semiconservative by DNA C) the infection of cells by a phage DNA molecule D) the e of a strand of DNA from an RNA molecule E) assimilation of external DNA into a cell...
HANDOUT LAB EXERCISE TO FOLLOW LAB EXERCISE 6 IN LAB BooK 4. Look at the right-hand side of the DNA double he...
HANDOUT LAB EXERCISE TO FOLLOW LAB EXERCISE 6 IN LAB BooK 4. Look at the right-hand side of the DNA double helix on the previous page. We will call the right side, i.e. the right polynucleotide, the sense strand becs this VERTICAL nitrogen base linear sequence will determine final amino acid sequence in the protein that the DNA is coding for. The twelve triplets below represent one gene. Reading this N base sequence the blanks in Table 1 below, (the...
Solve these 10 questions 11.Fill in the blanks. Suppose a cell at the end of S-phase...
Solve these 10 questions 11.Fill in the blanks. Suppose a cell at the end of S-phase has 48 chromatids. At the end of mitosis, each cell produced would have ______ chromosomes and ______ chromatids. 48, 96 24, 12 48, 48 24, 24 24, 48 12.Fill in the blanks. Suppose a cell at the beginning of meiosis has 36 chromosomes. This cell has ________ chromatids. At the end of meiosis, each of its "daughter cells" will have _________ chromosomes. 72, 18...
Fill in the blank: During chromosome replication, the _________ enzyme synthesizes short RNA primers that get...
Fill in the blank: During chromosome replication, the _________ enzyme synthesizes short RNA primers that get extended to form the ___________ fragments. This process uses the __________ strand as the template. Type II topoisomerases such as DNA gyrase change the LINKING number of DNA in increments of ____. They use a _________ amino-acid side chain at the active site to form a ___________ linkage to the broken DNA strands. The protein core of a nucleosome consists of ___ copies each...
c) The steps or rungs of the DNA ladder are composed of phosphate group 4 Deoxyribose...
c) The steps or rungs of the DNA ladder are composed of phosphate group 4 Deoxyribose 15. Use Figure 2 and 3 of the lab to compare the genome of a human with a mouse, fruit fly and yeast. paired in a specific way. d) Adenine in one DNA strand always pain with thymine ) Bases in opposite strands of a DNA molecule are linked together by hydrogen in the other strand and bonds. Yeast Human Mouse Fruit Fly Number...
Please need help answering question A the pages of background information are posted thanks Read page...
Please need help answering question A the pages of background
information are posted thanks
Read page 196-197 and figure 6.20. regarding Meselson and
Stahl’s experiment regarding DNA replication. And Answer the
following question
If you are using this radioactive technique in mouse cells,
what would happen in each phase of G1, S, G2, mitosis and meiosis
assuming that you are grown cells in 15N medium for many
generations and cells in G1are then switched to 14N medium?
G1
S
G2...
dentify the correct action and event for clamp loading proteins catalyzes the joining of deoxyribonucleotide 5 -triphosphates (dNTPs) to form the growing DNA chain O an enzyme that can synthesize short fragments of RNA de novo which are complementary to the parent strand template and serve as primers for DNA replication proteins that specifically recognize and bind DNA at the junction between the primer and template proteins that bind adjacent to the clamp-loading proteins, forming a ring around the template...
11. Several enzymes and proteins participate in DNA replication. Answer the fill in the blan below bonds unwinds DNA by breaking the a. The enzyme between the nitrogenous bases bind to single-stranded DNA to stabilize it and to prevent it from reannealing to the other DNA strand. makes DNA This enzyme adds nuceotides to the end of a nucleic acid strands; therefore, it makes DNA in the to direction . DNA Polymerase cannot put two nucleotides together, instead, it adds...
I need help on question 6 fill in the blanks
6. Cystic fibrosis is autosomal recessive (r). The genotype of a CF patient should be Huntington's disease is a disorder. The possible genotypes of a Huntington patient are Hemophilia is a disorder. Both parents are normal, their son has hemophilia. What is the mother's genotype? What is the father's genotype? What is the son's genotype? If they have a daughter, what would her phenotype be? Her possible genotype should be...
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...
Only answers please don’t show work
33) Viral DNA incorporated into host cell DNA is known as a/an A) phage. B) envelope C) capsid. 33) 34) How is transformation in bacteria most A) the creation of a strand of RNA from DNA molecule B) the type of semiconservative by DNA C) the infection of cells by a phage DNA molecule D) the e of a strand of DNA from an RNA molecule E) assimilation of external DNA into a cell...
HANDOUT LAB EXERCISE TO FOLLOW LAB EXERCISE 6 IN LAB BooK 4. Look at the right-hand side of the DNA double helix on the previous page. We will call the right side, i.e. the right polynucleotide, the sense strand becs this VERTICAL nitrogen base linear sequence will determine final amino acid sequence in the protein that the DNA is coding for. The twelve triplets below represent one gene. Reading this N base sequence the blanks in Table 1 below, (the...
c) The steps or rungs of the DNA ladder are composed of phosphate group 4 Deoxyribose 15. Use Figure 2 and 3 of the lab to compare the genome of a human with a mouse, fruit fly and yeast. paired in a specific way. d) Adenine in one DNA strand always pain with thymine ) Bases in opposite strands of a DNA molecule are linked together by hydrogen in the other strand and bonds. Yeast Human Mouse Fruit Fly Number...
Please need help answering question A the pages of background
information are posted thanks
Read page 196-197 and figure 6.20. regarding Meselson and
Stahl’s experiment regarding DNA replication. And Answer the
following question
If you are using this radioactive technique in mouse cells,
what would happen in each phase of G1, S, G2, mitosis and meiosis
assuming that you are grown cells in 15N medium for many
generations and cells in G1are then switched to 14N medium?
G1
S
G2...
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