Condensing are proteins that assemble onto the DNA during M phase to promote the progression of the cell cycle. What protein controls the activation of condensins?
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Condensing are proteins that assemble onto the DNA during M phase to promote the progression of the cell cycle. What protein controls the activation of condensins?
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- Belgy Name: Date: Period: Mitosis Worksheet The diagram below shows six cells in various phases of the cell cycle. Note the cells are not arranged in the order in which mitosis occurs and one of the phases of mitosis occurs twice. Use the diagram to answer questions 1-7. Phases of the Cell Cycle 1) Cells A and early stage of the same phase of mitosis. What phase is it? 2) Which cell is in mg 3) Which cell rst phas sis? 4) In cell A, what structure is labeled X? 5) Which cell is in the "in between" phase of mitosis? 6) Place the diagrams in order from first to last. 7) Are the cells depicted plant animal cells? Explain your answer. 8) What is the longest phase of the cell cycle? 9) Why is mitosis important?v Part A Match the description with the stage of the cell cycle. Reset Help Centrioles move to opposite ends of the cell DNA condenses to form chromosomes Chromosomes line up in the middle of the cell Chromosomes Split and Move to opposite ends of the cell Cell begins to split into two DNA replicates Interphase Prophase Metaphase Anaphase Telophase UnitConversionSE.pdf Type here to search 99+ RB (1Relate histopath criteria of cancer (unifrom population of pleimorphic cells, variable cytoplasmic nuclear ratio, multiple/bizarre nucleoli and frequent/bizarre mitotic figures) to H nana cell cycle & chromosomal instability. To answer the question, analyze the image attached and discuss how many of the mutations in cancer affect the normal regulation of the cell cycle, particularly the G2 checkpoint where mutations are supposed to be caught and not passed on.
- Please help Place the images of the cell division in the right order and label them a)  What is the final product of this type of cell division? Indicate the number of dauahter cells, the TYPE OF CELLS (somatic cells? sex cells? other?), where in the body this process takes place, whether they are genetically diverse pridentical, haploid or diploid, the chromosome number in human cells, whether they contain sinale- or double-stranded chromosomes, and what the "fate" of these cells is i.e. what will they go on to do, if given the chance)?Fill the table below, indicate at least one possible error in each phase during mitosis Phase Possible Error Interphase Prophase Metaphase Anaphase TelophaseDescribe the likely consequences of bypassing the G1 and G2 checkpoints in the cell cycle. Why do compounds like nonylphenol lead to the multiplication of abnormal cells?
- What difference exists between the compaction of chromosomes during metaphase versus interphase? Give at least one reason why this difference may be necessary.What is the function of the spindle checkpoint and where in the cell cycle is this checkpoint? Explain what happens if spindle fibers only attach to one kinetochore.Assume that you are growing mammalian cells in culture. You are able to synchronize the culture, meaning all of the cells undergo each stage of the cell cycle at the same time. The graph shows the amount of DNA in the nuclei of cells during cycle 1 and cycle 2 of cell growth II III IV First cycle Second cycle At which stage(s) would you NOT find condensed chromosomes? Select all that apply Amount of DNA in nucleus
- Briefly explain the check-points of the cell cycle.Draw and label G1 and G2 stages of interphase and each stage of mitosis (in order) for a cell that has two large and two small chromosomes, 2n=4. For unreplicated chromosome draw a line ( / ) and for replicated chromosome draw an X. Since we are focusing on the DNA, you can skip drawing the nuclear membrane or spindle fibers. For simplicity, do not indicate that the chromosomes are decondensed chromatin during interphase. Mark and label a place on one of the large chromosomes with the dominant allele of the “A” gene and put the recessive allele “a” on the other homolog. Mark and label a place on one of the small chromosomes with allele “B” and put the recessive allele “b” on the other homolog.A somatic cell has the genotype DdEe. All chromosomes in this organism are metacentric. Show metaphase and the results of mitosis if the D and E locus are linked on the same chromosome in trans configuration.