A) What are telomeres? B) Are telomeres present in both Prokaryotes and Eukaryotes? C) Explain why...
A) What are telomeres? B) Are telomeres present in both Prokaryotes and Eukaryotes? C) Explain why some cells have telomeres and others don't (base your explanation on the structure of the DNA molecule and the directionality of polymerases).
Homework Answers
Telomeres are repetitive nucleotide sequences locateTelomeres allow cells to divide without losing genes. Cell division is necessary for growing new cells or tissue to replace the damaged or old ones.d at the terminal position of chromosomes. Telomeres are only present at the end of linear chromosomes. Most of the prokaryotic organism have circular DNA so telemeres are absent.
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A) What are telomeres? B) Are telomeres present in both
Prokaryotes and Eukaryotes? C) Explain why...
4. A) List the similarities and the differences between DNA replication in prokaryotes and eukaryotes. B)...
4. A) List the similarities and the differences between DNA replication in prokaryotes and eukaryotes. B) Do prokaryotes have telomeres? Explain why do or why don
2. Explain why the replication of one of the DNA strands is continuous while the other...
2. Explain why the replication of one of the DNA strands is continuous while the other strand is discontinuous. What causes this difference? 3. A) What are telomeres? B) Are telomeres present in both Prokaryotes and Eukaryotes? Explain why some cells have telomeres and others don't. 4. A) Draw a cell with 2 pairs chromosomes as it goes through the cell cycle and indicate the main things that happen to its chromosomes at each stage (label: sister chromatids, homologous chromosomes,...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative cont...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative control. B. have repressors that impact expression. C. often requires interactions with DNA that is not proximal to structural genes. D. have genes that are closely related in function located proximally on a chromosome
Question 15 1 pts The most significant influence on why mRNA is processed differently in prokaryotes...
Question 15 1 pts The most significant influence on why mRNA is processed differently in prokaryotes than in eukaryotes is the fact that eukaryotes separate transcription and translation because these organisms have a nucleus. eukaryotes are multicellular organisms. O prokaryotes do not add a poly(A) tail. prokaryotes are often polycistronic. Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed...
Question 2a If the DNA template 5′- ATGGATGC -3′ is transcribed to RNA, the RNA would...
Question 2a If the DNA template 5′- ATGGATGC -3′ is transcribed to RNA, the RNA would be best described as... a. 3′- TACCTACG -5′. b. 5′- ATGGATGC -3′. c. 5′- AUGGAUGC -3′. d. 5′- UACCUACG -5′. e. 3′- UACCUACG -5′. Question 2b Which answer best summarizes how eukaryotic and bacterial RNA polymerases are different? a. Eukaryotes have several types of multimeric RNA polymerases, whereas bacteria only have one monomeric RNA polymerase. b. Eukaryotes have several types of RNA polymerases, one...
c) Compare and contrast DNA replication in prokaryotes and eukaryotes. Your answer should include a description...
c) Compare and contrast DNA replication in prokaryotes and eukaryotes. Your answer should include a description of replication as it would occur in these two types of cells.(20)
1. If DNA polymerase III was going to attach a new nucleotide onto the DNA molecule shown to the right, where would it attach it? 2. Why are the ends labeled A and C different? a. The diagram is...
1. If DNA polymerase III was going to attach a new nucleotide onto the DNA molecule shown to the right, where would it attach it? 2. Why are the ends labeled A and C different? a. The diagram is drawn incorrectly, they should be the same One is o pure onsa pyrimidine. c. One is a purine, one is a pyrimidine d. Double-stranded DNA is antiparallel. e. This is after DNA replication -before DNA replication, they look the same. 3....
Please help with 1-16!!! (two pictures are attached) Thanks! Transcription . Although both prokaryotes and eukaryotes...
Please help with 1-16!!! (two pictures are attached) Thanks!
Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
2. While prokaryotes and eukaryotes shape many properties, bacteria lack A cell membranes B DNA C...
2. While prokaryotes and eukaryotes shape many properties, bacteria lack A cell membranes B DNA C RNA D organelles E amino acids
26. Topoisomerases are enzymes that support DNA replication in prokaryotes and eukaryotes. These enzymes have been...
26. Topoisomerases are enzymes that support DNA replication in prokaryotes and eukaryotes. These enzymes have been used as targets for drug development. Answer the following questions on topoisomerases: (a) What are topoisomerases, what do they do, and how do they support DNA replication? (4 marks) (b) What is the difference between topoisomerase I and II? (2 marks) (c) Why is topoisomerase II an attractive drug target for bacterial pathogens? (2 marks)
Question 15 1 pts The most significant influence on why mRNA is processed differently in prokaryotes than in eukaryotes is the fact that eukaryotes separate transcription and translation because these organisms have a nucleus. eukaryotes are multicellular organisms. O prokaryotes do not add a poly(A) tail. prokaryotes are often polycistronic. Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed...
1. If DNA polymerase III was going to attach a new nucleotide onto the DNA molecule shown to the right, where would it attach it? 2. Why are the ends labeled A and C different? a. The diagram is drawn incorrectly, they should be the same One is o pure onsa pyrimidine. c. One is a purine, one is a pyrimidine d. Double-stranded DNA is antiparallel. e. This is after DNA replication -before DNA replication, they look the same. 3....
Please help with 1-16!!! (two pictures are attached) Thanks!
Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
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