Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- The cell cycle of an average mammalian cell is illustrated below. How long did it take for the above-illustrated mammalian cell to complete one cell cycle?How long did the mitosis/cytokinesis phase (M phase) last? What % of the total cell-cycle timedoes that constitute to? What phase takes the longest time to complete during cell cycle and what % of the total cellcycle time does that constitute to? Explain why you think this might be the longest phase of thecell cycle.How long was the S phase? What is happening in the cell during the S phase?arrow_forwardThe Cell Cycle Prior to division, the eukaryotic cell must undergo an extended period of preparation, called the interphase. The interphase represents the interval between two consecutive cell divisions. During interphase, the cell synthesizes all the materials that are needed for division to occur, including all the DNA molecules and associated proteins that make up all the chromosomes in the cell. The chromosomes are so named since they are readily stained to become "colored bodies", as shown in Figure 9.1. One or more darkly staining structures inside the nucleus, called the nucleoli, are readily visible in interphase, erti sevilseido primes 1. What is the function of the nucleoli? producer ubemoer Iaibsences make protein are isiq ni to 2 to noistub During M phase, the cell undergoes mitosis to divide its nucleus in two, and toward the end of mitosis, it undergoes cytokinesis, to divide its cytoplasm in two. PRO povite queabler alle seqytowe M phase is composed of krychencser and…arrow_forwardWhat are the mechanisms that are used by cells to regulate entry of the cell into the replicated cell cyclearrow_forward
- What is the correct answer?arrow_forwardThe figure below shows a centrosome with microtubules attached to the kinetochore. Which of the following BEST describes the figure? O The figure shows an impossible arrangement due to microtubule dynamic instability. O The figure shows a temporary arrangement; soon after this, the microtubules will separate the sister chromatids. O The figure shows an impossible arrangement due to centrosome positioning. O The figure shows a temporary arrangement; soon after this, microtubule shortening will occur.arrow_forwardWhat are the stages of mitosis Chromatid doublets seperate to individual chromosomes. Centriole replicates Replicated chromosomes are arranged in single file net to another at the cell's equator.arrow_forward
- How many are in each stage?arrow_forwardWhich statement is likely true given the infomation in the diagram? Net1 Cdc20 APC АРС Cdc5/Polo Cdc14 -- Cdc20 APC АРС Hct1 Hct1 Lag Mad2 Cdc20 Hct1 Cdc14 APC APC Incomplete spindle Sict Sic1 В Cdk1-cyclin Anaphase inhibitors Mitotic cyclins S/G2 Metaphase Anaphase Spindle disassembly Cytokinesis DNA re-replication O Cdc5/Polo is a phosphatase. O An overactive, gain of function mutation in Mad2 would cause metaphase arrest. O A overactive, gain of function mutation in Cdc14 would cause prolonged metaphase or metaphase arrest. O The outcome of Cdh1/Hct1 activity is a rapid rise in MPF/M-CdkC activity. H-1arrow_forwardThere are two different pathways for repairing double-strand breaks in the DNA. In which type of cell is homology-directed repair least likely to be able to repair the damage? Choose one. A haploid cell A diploid cell in G1 phase of the cell cycle A diploid cell in G2 phase of the cell cycle All three the same.arrow_forward
- Please match the stage of M-Phase with the correct process occurring during that time. sister chromatid separation early mitotic spindle nuclear envelope breakdown chromosomes align in the middle of the cell chromosome condensation nuclear envelope reforms ✓ [Choose ] prophase metaphase prometaphase telophase anaphase [Choose ] [Choose ] [Choose ] [Choose ]arrow_forwardDuring which phase of the cell cycle is DNA replicated? O G1 phase O G2 phase O S phase O M phasearrow_forwardplease helparrow_forward
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