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list some reason why a cell that has just completed cytokinesis might enter the G0 phase instead of the g1 phase.
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- List some reason why a cell that has just completed cytokinesis might enter the G zero phase instead of the G1 phaseCleavage furrow formed during cytokinesis is found in? A-both in animal and plants B- neither in animal nor in plant cells C- plant cells D- animal cellsWhich of the following are stages in the cytokinesis of animal cells? Select all that apply. A) The cell plate expands along the plane of division, and when the plate fuses with the plasma membrane, the cytoplasm is partitioned into two new cells. B)After telophase, the contractile ring constricts the plasma membrane and forms a cleavage furrow. C)The contractile ring reaches its smallest diameter, and the spindle microtubules are cut as vesicles form the new membranes that separate the two new cells. D)A contractile ring of microfilaments and motor proteins forms under the plasma membrane during anaphase.
- Which of the following are stages in the cytokinesis of animal cells? Select all that apply. A) The cell plate expands along the plane of division, and when the plate fuses with the plasma membrane, the cytoplasm is partitioned into two new cells. B) After telophase, the contractile ring constricts the plasma membrane and forms a cleavage furrow. C) The contractile ring reaches its smallest diameter, and the spindle microtubules are cut as vesicles form the new membranes that separate the two new cells. D) A contractile ring of microfilaments and motor proteins forms under the plasma membrane during anaphase.Assessment questionCompare and contrast cytokinesis in animal cells with cytokinesis in plant cells.Which is true for cancer cells: 1) Cell death occurs after a determined number of cell divisions 2) Contact with other cells reduces chance of cell division 3) Cell division occurs in the presence of stop signals.
- Discuss about cytokinesisCytokinesis in plant cells is different than cytokinesis in animal cells. a) Explain why it has to be different, andb) briefly describe the processes in the two different cell types.Which of the following is false about cyclin-cdk complexes? OCdk's do not have to bind to cyclin proteins for complex to be active. OCdk/cyclin complexes phosphorylates proteins required to trigger next cell cycle phase. Process acts as molecular brakes to ensure cell is ready to continue with cell cycle. O Cyclin concentrations increase gradually, but cdk must be phosphorylated by specific kinase for complex to be active
- Explain how morphogens and cell-to-cell contacts conveypositional information.Choose all of the TRUE statements. Hint: 4 statements are true. Cytokinesis occurs the same way in both plant and animal cells. Sister chromatids are genetically identical. The term chromosome can be used to describe both chromosomes composed of one and two chromatids. Mitosis results in daughter cells that are genetically identical to the parent cell. All eukaryotic somatic cells are diploid. Cyclin dependent kinases are present but not active in cell cycle regulation without the presence of cyclin proteins. Chromosomes are always visible in the cell.Which of the following statements is true about cell cycle checkpoints? Question 5 options: A) G1 checkpoint check for cell size, nutrients, and growth factors availability. B) G2 checkpoint check for cell size, nutrients, growth factors, & DNA damage. C) G2 checkpoint check for chromosome attachment to spindle at metaphase D) All the above are true.