5. The graph below shows interphase and then mitotic cell...

5. The graph below shows interphase and then mitotic cell division. (for two cycles) a. Label G1, G2 and S on this graph. b. Highlight with a new color or THICKEN the line to indicate MITOSIS. c. At what stage of mitosis does the amount of DNA per nucleus decrease? _______ Add the first letter of that phase to the graph d. If you started with one cell at the beginning (far left), how much total DNA would you have at the end of the phases shown(far right) ? ______________ Amount of DNA per nucleus Phases of cell cycle e. On the graph above, add a second Y axis on the right side and label it Ploidy (1n haploid vs 2n diploid). Draw a line to indicate Ploidy number throughout these stages.

Transcript

00:01 Today we are going to discuss about mitosis.

00:04 Mitosis is a process of cell division during which the nucleus of an eukaryotic cells divides to form two daughter cells, each having equal number of chromosomes like their parent cell, that is, the daughter cells are identical.

00:32 The characteristic steps involved in mitosis are prophase, prometa phase, metaphase, anaphase, and the telophase.

00:56 Prophase is the first phase of mitosis during which the chromosome condenses.

01:05 The second phase of mitosis, that is prometaphase, sees the victim of nuclear membrane.

01:24 During the metaphase stage of mitosis, the chromosome align at the center of the cell.

01:37 During the anaphase, during which the replicated chromosomes split and move towards the opposite poles of the cell.

02:02 During the final stage of my doses, which is telophase, the chromosomes decondense, the spindle fibers which help to split the chromosome and move it to the posit balls, break down.

02:29 The nucleole reformed and the parent cell divides to form two daughter cells.

02:48 Before the beginning of the process of mitosis, the cell is at a stage called interphase, during which the cell grows, replicates its chromosome and develops, after which it enters into mitosis.

03:12 The phases of interface are g1 phase during which the rna is formed from which proteins are synthesized.

03:31 This is a checkpoint period during which the cell checks for proper machinery required for the synthesis of dna.

03:45 The next phase is called the s phase during which the dna to produce.

03:52 Or dna undergoes replication to form another copy of itself which is required during cell division...

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