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bio204.s1.d54

cava bio 204 s1.d54 3.24 Mitosis

QuestionAnswer
Before a cell can divide into two cells, the DNA makes a copy of itself during [-phase] . Before a cell can divide into two cells, the DNA makes a copy of itself during interphase .
The two DNA copies are joined together by a structure called a [centr-] . The two DNA copies are joined together by a structure called a centromere .
Once the copying of DNA is complete, the long DNA strands condense into a thick X shape. The condensed X shape is a [...] . Each side of the X is a [...] , and sometimes they are called sister [-s]. Once the copying of DNA is complete, the long DNA strands condense into a thick X shape. The condensed X shape is a chromosome . Each side of the X is a chromatid , and sometimes they are called sister chromatids.
Mitosis is when a cell's [...] divides in two. Mitosis is when a cell's nucleus divides in two.
There are [...] stages of mitosis. There are four stages of mitosis. *Interphase is not part of mitosis.
A special organelle used in mitosis, a [centr-] , produces and organizes important proteins called spindle fibers. A special organelle used in mitosis, a centrosome , produces and organizes important proteins called spindle fibers.
[...] fibers separate the sister chromatids from each other and pull them to opposite sides of the cell. Spindle fibers separate the sister chromatids from each other and pull them to opposite sides of the cell.
In animal cells, a pair of small structures called [-s] is found in the centrosome. [-s] help organize the spindle fibers. In animal cells, a pair of small structures called centrioles is found in the centrosome. Centrioles help organize the spindle fibers.
In [-phase], the cell's chromosomes are not clearly visible. They are in the nucleus, but they have not condensed down into the X-shapes. In interphase, the cell's chromosomes are not clearly visible. They are in the nucleus, but they have not condensed down into the X-shapes.
[-phase] is the first step of mitosis. Prophase is the first step of mitosis.
During [-phase], chromosomes move towards the center. During prophase, chromosomes move towards the center.
During [-phase], the nuclear membrane dissolves. During prophase, the nuclear membrane dissolves.
In [-phase], the chomosomes are lined up in the center. In metaphase, the chomosomes are lined up in the center.
In [-phase], the chromatids are pulled apart. In anaphase, the chromatids are pulled apart.
Once separated, the sister [...] are again called chromosomes. Once separated, the sister chromatids are again called chromosomes.
In [...], the chromosomes have reached the two opposite ends of the spindle fibers. (telo- means '[...]') In telophase, the chromosomes have reached the two opposite ends of the spindle fibers. (telo- means 'end')
In [...], two new nuclear membranes form. In telophase, two new nuclear membranes form.
Mnemonic Device: [...] (Prophase, Metaphase, Anaphase, Telophase) Mnemonic Device: Purple Mice Are Tasty (Prophase, Metaphase, Anaphase, Telophase)
[...] happens after mitosis... it's when the rest of the cell splits in two. Cytokinesis happens after mitosis... it's when the rest of the cell splits in two.
Because plant cells are almost always rectangular, the 'pinching in' of cytokinesis looks more like a straight line. We call it the 'cell [...]' and it's a trivial detail that HS Bio texts just love Because plant cells are almost always rectangular, the 'pinching in' of cytokinesis looks more like a straight line. We call it the 'cell plate' and it's a trivial detail that HS Bio texts just love
centriole vs centrosome vs centromere : The [centr-] is a little cylinder-shaped organelle in animal cells. Two of them are found in each centrosome. centriole vs centrosome vs centromere : The centriole is a little cylinder-shaped organelle in animal cells. Two of them are found in each centrosome.
centriole vs centrosome vs centromere: The [centr-] is an organelle near the nucleus. Spindle fibers grow out of it. centriole vs centrosome vs centromere: The centrosome is an organelle near the nucleus. Spindle fibers grow out of it.
centroile vs centrosome vs centromere: The [centr-] is a region of a chromosome where spindle fibers attach. It also helps hold sister chromatids together. centroile vs centrosome vs centromere: The centromere is a region of a chromosome where spindle fibers attach. It also helps hold sister chromatids together.
Created by: mr.shapard