Why is it important for DNA to wind up into chromosomes when dividing?
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Why is it important for the DNA to wind up into chromosomes while a cell divides?
Why are chromosomes in their chromatin form prior to mitosis (during interphase)? Why would DNA wind tighter around histones prior to the start of mitosis? Is cancer caused by errors during mitosis or is it caused by something else? Hint: why is it so difficult to treat cancer? How do bacterial cells reproduce? How does it compare to eukaryotes (what’s the same /different)?
Linear chromosomes have multiple sites of DNA replication known as ___________. Telomerases are important in the complete replication of linear chromosomes because there is no _______ at the ends of the lagging strands.
Chromosomes are _______ that reside in the nucleus of the cell. Generally DNA resides in a long strand inside the cell's nucleus but as the cell undergoes division the DNA becomes _________________ and separates into chromosomes.
if a cell has 60 pg of DNA and 25 chromosomes in its G1 phase, how much DNA and chromosomes are in the anaphase cell?
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,...
t takes about the same amount of time for the DNA in eukaryotic chromosomes to be replicated in vivo as it does for replication of DNA in E. coli. Why is his statement true? Answers: Eukaryotes have multiple origins of replication: E. coli has one unique origin. A. Eukaryotic replication occurs at a faster rate, enabling replication of the larger chromosomes in about the same amount of time. B. The replication of DNA in eukaryotes is faster due to a...
Question 3 8 pts Diploid cells contain homologous chromosomes. While homologous chromosomes are very similar and contain the same loci, they are not identical. Which statement correctly explains why homologous chromosomes are not identical? Hint: Homologous Chromosomes e video Textbook chapter 10 section 10.1 The two members of a homologous pair are frequently mutated prio The two members of a homologous palc exchange pleces of DNA through the process of crossing over, The two members of a homologous pais tend...
Le plate 14. What structure gives TIC 10 Thought Questions 15. Why it necessary for chromosomes to duplicate before mitosis? 16. Why is it important for sister chromatids to be attached to each other during the beginning phases of mitosis! 17. List several parts of your body where you would expect to find actively dividing cells and several parts where you would find mostly resting cells.
Human chromosomes are linear dsDNA and they often show topological constraints, particularly during DNA replication and transcription. Why do the chromosomal DNA would have topological constraints? A. Multitudes of H bonding between bases make long dsDNA quite stable B. Protein-DNA interactions may cause changes in the DNA topology C. Chromosomes circularize during replication and transcription D. Because of two of these options E. Because all of these options
please explain why thanks! After cell division, daughter cells contain the same amount of DNA as in the original cell. This is due to A protein synthesis. B. recombination c pairing of homologous chromosomes. OD meiosis E DNA replication