As the chromosomes of a parent cell are duplicated and distributed to the two daughter cells during cell division, the structure of the chromosomes changes. Answer the three questions for each phase of the cell cycle by dragging the yes and no labels to the appropriate locations in the table. Note: Assume that by the end of the M phase, the parent cell has not yet divided to form two daughter cells. Are sister chromatid present in all or part of this phase?Is the DNA condensed in all or part of this phase?Does the cell contain twice as much DNA in this phase as it did in the G1 phase?
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Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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Biology, 22.06.2019 13:50
18. how do the cells in meiosis differ from the cells in mitosis?
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As the chromosomes of a parent cell are duplicated and distributed to the two daughter cells during...
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