1. platelets are sometimes called . 2. platelets are continually produced in the by . 3. normally, the concentration of platelets in an adult ranges from , although the count may rise further during times of stress. 4. platelets can circulate in the blood for 8 to 10 days, unless they are needed earlier for blood clotting. an abnormally small number of platelets in circulating blood is termed .

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explanation:

prophase: we can observe the chromosomes to coil up and condense. they become visible. nuclear membrane and envelope disintigrate.s

metaphase: chromosomes align at the center, the metaphase plate. spindle fibers attach to centromeres of the sister chromatids. they meet at kinetochores.

anaphase: sister chromatids are pulled towards each opposing centromere, set on different poles.

telophase: chromosomes are now clustered up only on either sides of the cell. nuclear membranes reform, and a new cell wall forms along the cell plate. this will lead to cytokinesis, the process that divides the cell membrane and forms the cell wall.

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the actual answer was 160934