5. In the cell cycle (A), chromosomes can present as a single chromosome or duplicated chromosome (see B below). A Gap 1 phase Gap 1 S phase Gap 2 Prophase (mitosis) S phase mitosis Gap 2 phase Single chromosome Centromere B Duplicated chromosome < Centromere Chromatid Chromatid If you observe cells during the different stages of the cell cycle, which type of chromosomes will you find? Single or double? Use the table below to provide your answer. Stage Duplicated Single

5. In the cell cycle (A), chromosomes can present as a single chromosome or duplicated chromosome (see B below). A Gap 1 phase Gap 1 S phase Gap 2 Prophase (mitosis) S phase mitosis Gap 2 phase Single chromosome Centromere B Duplicated chromosome < Centromere Chromatid Chromatid If you observe cells during the different stages of the cell cycle, which type of chromosomes will you find? Single or double? Use the table below to provide your answer. Stage Duplicated Single

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Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 1ACQ: Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids...

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Figure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the mitotic spindle. The nucleus reforms and the cell divides. Cohesin proteins break down and the sister chromatids separate. The kinetochore becomes attached to the mitotic spindle. Cohesin proteins break down and the sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the cohesin proteins. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the cell divides.
The mitotic spindles arise from which cell structure? centromere centroscme kinetochore cleavage furrow
Metaphase in mitosis is similar to what stage in meiosis? a. prophase I b. prophase II c. metaphase I d. metaphase II e. crossing-over
Which of the following events does not occur during some stages of interphase? DNA duplication organelle duplication increase in cell size separation of sister chromatids
Figure 28.11 depicts the eukaryotic cell cycle. Many cell types â€œexitâ€� the cell cycle and donâ€™t divide for prolonged periods, a state termedG0; some, for example neurons, never divide again. a. In what stage of the cell cycle do you suppose a cell might be when it exits the cell cycle and enters G0? b. The cell cycle is controlled by checkpoints, cyclins, and CDKs. Describe how biochemical events involving cyclins and CDKs might control passage of a dividing cell through the cell cycle.
If the M checkpoint is not cleared, what stage of mitosis will be blocked? prophase prometaphase metaphase anaphase
The chromosomes become visible under a light microscope during which stage of mitosis? prophase prometaphase metaphase anaphase
Explain why you know this cell is in metaphase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle abace loven Dr Aa stv MacBook Air DII DD 888 F10 F9 F5 F3 F4 & @ 2# $ 2 3 4 5 7 8 P W E T Y F G H J K > C V N command V - cの B
14. Please answer
In the cell cycle it is necessary for interphase to happen before mitosis and cytokinesis creates 2 identical cells. Why is interphase neccessary? What is 1 major reason that mitosis wouldn't work without interphase happening first? INTERPHASE G, (DNA synthesis) G2 MITOTIC PHASE (M) Copy g (level 1) étv .. MacBook Air DII DD 80 888 F9 F10 F7 FB F5 F6 F2 F3 F4 & # $ 3 4 7 9 E R T Y U P F J K C V B
Identify the stage of the cell cycle or mitosis for which each of the following is true
1. Which among the lettered cells in Fig 2 are at prophase stage? 2. Chromosomes are generally indistinct at interphase. Does this mean that they are newly formed for each cell division, explain your answer?