The primary function of Asters in mitosis is Select one: O a. The production of microfilaments spindles to separate the two sister chromatids O b. The formation of microfilaments needed to hold chromosomes O C. The formation of microtubule spindles to separate the daughter chromosomes O d. The dissociation of the nuclear envelop O e. Formation of a cleavage furrow

The primary function of Asters in mitosis is Select one: O a. The production of microfilaments spindles to separate the two sister chromatids O b. The formation of microfilaments needed to hold chromosomes O C. The formation of microtubule spindles to separate the daughter chromosomes O d. The dissociation of the nuclear envelop O e. Formation of a cleavage furrow

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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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.
After mitosis, the chromosome number of a descendant cell is_______ the parent cell’s. a. the same as c. rearranged compared to b. one-half of d. double that of
What is the significant events of the stages in mitosis? (explain in 2-3 sentences)a. Interphase (preparatory) b. Prophasec. Metaphased. Anaphasee. Telophase
After mitosis the chromosome number of a descendant cell is ______ the parent cell's.a. the same asb. one-half ofc. rearranged compared tod. double that o
. A cell near the end of anaphase of mitosis will have ________. A) no chromosomes in the center of the cell B) chromosomes clustered at one end of the cell C) individual chromatids beginning to separate from one another D) chromosomes clustered tightly at the center E) one large nuclear envelope
Which of the following is/are reason(s) that sells an organism would undergo mitosis? A. During organismal growth(for multicellular organisms). B. During wound heal. C. When mutation develop in genes that caused the cell to self-destruct. D. To make haploid gametes.
Using the symbols above: 1. Given: Adult diploid cell (2n = 8) 2. Show the condition of the chromosomes in the following Mitosis phases (illustrate): a. prophase b. metaphase c. anaphase d. telophase/cytokinesis
In which two phases of mitosis would you find a nuclear membrane (or at least fragments of it)? Group of answer choices A. prophase & telophase B. prophase & anaphase C. telophase & anaphase D. prophase & metaphase E. metaphase & anaphase
In which stage of the eukaryotic cell cycle is the genetic material properly referred to as chromatin?A. during the G2 phase onlyB. during the G1 phase onlyC. during the M phase onlyD. during the S phase onlyE. during interphase only
Prophase is the stage of mitosis characterized by the a. physical seperation of sister chromatids b. appearance of visible chromosomes c. occurrence of cytokinesis d. alignment of chromosomes at center of cell
Centrosomes move to opposite ends of the cell in what phase of mitosis? a. Metaphase b. Anaphase c. Telophase d. Interphase e. Prophase
Draw a diagram of the cell cycle and label the phases. On your diagram: a) For each phase, indicate whether the chromosomes are condensed or not. b) Indicate the phase(s) when it is possible to do a karyotype c) Indicate the phase-transition(s) where the cell would arrest if you add hydroxyurea.