What is the correct answer? CollegeBoardQuestion 1The root tip cells of an onion plant have 8 pairs of chromosomes. Which of the following correctly describes the number of chromosomes in an onion root tip cell at a specific stage of the cellcycle?AAt the end of the synthesis phase, an onion root tip cell will have a total of 32 unique chromosomes.BIn metaphase, an onion root tip cell will have a total of 16 unique chromosomes composed of 32 chromatids.CDAfter cytokinesis, a daughter onion root tip cell will have a total of 8 unique chromosomes.After cytokinesis, a daughter onion root tip cell will have a total of 32 unique chromosomes.06acerOllO*✓< 1 of 1

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Question 1 The root tip cells of an onion plant have 8 pairs of chromosomes. Which of the following correctly describes the number of chromosomes in an onion root tip cell at a specific stage of the cell cycle? A At the end of the synthesis phase, an onion root tip cell will have a total of 32 unique chromosomes. B с D In metaphase, an onion root tip cell will have a total of 16 unique chromosomes composed of 32 chromatids. After cytokinesis, a daughter onion root tip cell will have a total of 8 unique chromosomes. After cytokinesis, a daughter onion root tip cell will have a total of 32 unique chromosomes.

Question 1 The root tip cells of an onion plant have 8 pairs of chromosomes. Which of the following correctly describes the number of chromosomes in an onion root tip cell at a specific stage of the cell cycle? A At the end of the synthesis phase, an onion root tip cell will have a total of 32 unique chromosomes. B с D In metaphase, an onion root tip cell will have a total of 16 unique chromosomes composed of 32 chromatids. After cytokinesis, a daughter onion root tip cell will have a total of 8 unique chromosomes. After cytokinesis, a daughter onion root tip cell will have a total of 32 unique chromosomes.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 10RQ: The mitotic spindles arise from which cell structure? centromere centroscme kinetochore cleavage...

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Nutrient Growth Medium

It is a culture medium or nutrient broth for all kinds of microorganisms to grow properly and create their colony. This matrix provides support to increase the population of microbes through the method of cell proliferation. It is regarded as the food material for those organisms. It is a type of in vitro mechanism, in which the development of life is processed outside the host body. It can be solid, semi-solid, or liquid in nature. Different kinds of cells develop in different types of media.

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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.
If the M checkpoint is not cleared, what stage of mitosis will be blocked? prophase prometaphase metaphase anaphase
The fusing of Golgi vesicles at the metaplhase plate of dividing plant cells forms what structure? cell plate actin ring cleavage furrow mitotic spindle
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.
Which is not a stage of mitosis? a. prophase b. metaphase c. interphase d. anaphase
Separation of the sister chromatids is a characteristic of which stage of mitosis? prometaphase metaphase anaphase telophase
The cell above is a lung cell of a salamander. In which stage of mitosis is it? What are the structures visible in green and blue fluorescence?
Identical copies of chromatin held together by cohesin at the centromere are called.______ histones nucleosomes chromatin sister chromatids.
Match each term with its best description. __ cell plate a. lump of cells __ spindle b. made of microfilaments __ tumor c. divides plant cells __ cleavage furrow d. organize(s) the spindle __ contractile ring e. dangerous metastatic cells __ cancer f. made of microtubules __ centrosomes g. indentation __ telomere h. shortens with age
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Which phase is described below? The chromosomes condense, Each is made of two sister chromatids,(looks) like an "X" Each sister is a clone, the closest of kin, And acentromere connects them like siamese twinsThe nucleolus disappears it melts away, as the cell takes a ribosomeproduction holiday, the centrosomes separate, start spindle formationfor separating chromatids and cell elongation.
[Choose] Mitosis [ Choose Interphase Programed cell death The death of a cell due to the accumulation of oncogenes Observable characteristsic of an organlsm resulting from the organisms genotype Chromosome A haplaid cell produced in sexually reproducing organisms One of two or more alternative versions of a gene Melosis The physical location of an organisms genes. Composed of DNA and proteins. Division of a cukaryotic cells nuclear content Crossing over In this phase, the cell is doing what the cell does; between successive miotic division A fundamental source of genetic diversity across much of life Gamete Results in the halving of a dipolid organisms chromosomes A diplold organism with one dominant and one recessive allele Phenotype A diplold cell which results from mitosis Heterozygote (Choose] Allele (Choose] Apoptosls (Choose)