Download Mitosis Review: What Does it Start With? Cell division in eukaryotes

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Transcript
Mitosis Review: What Does it Start With?
Cell division in eukaryotes consists of two parts: M __ __ __ __ __ __ which divides the chromosomes
and C __ __ __ __ __ __ __ __ __ __ which divides the cytoplasm.
Bacteria divide using B __ __ __ __ __
F __ __ __ __ __ __ instead of mitosis.
In M __ __ __ __ __ __ a cell divides once to produce two daughter cells that are genetically identical
to the parent cell; In M __ __ __ __ __ __ a cell divides twice to produce four genetically different
daughter cells with one-half the number of chromosomes of a body cell,
A C __ __ __ __ __ __ __ __ __ is made up of two sister C __ __ __ __ __ __ __ __ joined in the
middle by a C __ __ __ __ __ __ __ __ __.
The repeating steps a cell goes through during its lifetime are called the C __ __ __
C __ __ __ __.
G1, S, and G2 combine to make up I __ __ __ __ __ __ __ __ __, the non-dividing phase of the cell
cycle. During this phase the cell is growing and preparing for reproduction.
DNA is copied during I __ __ __ __ __ __ __ __ __ .
P __ __ __ __ __ __ __ is the first phase of mitosis during which C __ __ __ __ __ __ __ __becomes
packed making the C __ __ __ __ __ __ __ __ __ __ visible. In this phase the S __ __ __ __ __ __
fibers appear and the N __ __ __ __ __ __ M __ __ __ __ __ __ __ and
N __ __ __ __ __ __ __ __ disappear.
During M __ __ __ __ __ __ __ __ the chromosomes line up along the center of the cell.
In A __ __ __ __ __ __ __ the chromosome pairs separate and move to opposite ends of the cell.
In T __ __ __ __ __ __ __ __ , the chromosomes are grouped at opposite ends of the cell and a
N __ __ __ __ __ __ M __ __ __ __ __ __ __ forms around each.
The pinching of the cell membrane begins at the end of T __ __ __ __ __ __ __ __. This division of the
cytoplasm is called C __ __ __ __ __ __ __ __ __ __.
H __ __ __ __ __ __ __ __ __ chromosomes are the same size and the same shape and carry genes for
the same traits.
C __ __ __ __ __ __ __ __ __ are log-like structures that appear near the nucleus during cell division in
an animal cell and move to opposite poles to pull the chromosomes apart.
When DNA and its attached proteins is “unpacked” in the nucleus of non-dividing cells it is called
C __ __ __ __ __ __ __ __. “Packed” DNA in dividing cells is called C __ __ __ __ __ __ __ __ __ __.
The disease in which one of the body’s own cells loses the ability to control division= C __ __ __ __ __
The spread of cancer cells to a new location in the body is called M __ __ __ __ __ __ __ __ __.