The diagram shows the two forms of a cukaryotic chromosome that occur during the cell cycle. For clarity, the chromosomes are shown in the condensed state. Label the indicated parts of the chromosome. Then, label cach form of chromosome with all the cell cycle phases in which it occurs. Answer Bank p arm G2 phase Gl phase q arm telomere telophase centromere metaphase Cell cycle stages Cell cycle stages

The diagram shows the two forms of a cukaryotic chromosome that occur during the cell cycle. For clarity, the chromosomes are shown in the condensed state. Label the indicated parts of the chromosome. Then, label cach form of chromosome with all the cell cycle phases in which it occurs. Answer Bank p arm G2 phase Gl phase q arm telomere telophase centromere metaphase Cell cycle stages Cell cycle stages

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter28: Dna Metabolism: Replication, Recombination, And Repair

Section: Chapter Questions

Problem 19P: Figure 28.11 depicts the eukaryotic cell cycle. Many cell types â€œexitâ€� the cell cycle and...

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S. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphase
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.
Match the phase of cell division with the following diagrams. In these cells, 2n = 4. a. anaphase of meiosis I b. interphase of mitosis c. metaphase of mitosis d. metaphase of meiosis I e. metaphase of meiosis II
Separation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophase
Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.
Cell differentiation occurs through _______________, whereas morphogenesis involves _______________. (a) pattern formation; cell determination (b) cell division; cell expansion (c) cell expansion; pattern formation (d) cell determination; cell division (e) cell determination; pattern formation
The mitotic spindles arise from which cell structure? centromere centroscme kinetochore cleavage furrow
Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occurs
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 (1
Fill in the table below with information regarding the cell cycle. Cell cycle stage Main events Sister chromatids present? ister chromatids attached? (put NA for stages that do not have sister chromatids) G1 S G2 M
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase. Period when DNA is duplicated Last part of interphase in the parent cell Event that divides a cytoplasmic mass Period of cell growth before DNA duplication Period after DNA is duplicated Nuclear division that maintains the chromosome number Period when interphase begins in a cell Period commonly followed by cytokinesis - Period in which metaphase occurs Period prior to mitosis a. G2 b. Mitosis c. S d. G1 e. Cytokinesis
Why would the supercoiled, condensed formof chromosomes seen in metaphase not besuitable for the G1 phase of the cell cycle?Why would the finely dispersed chromatinof the G1 phase not be suitable for mitosis?