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virchow’s cell law states that cells always come from blank blank
Existing cells
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in egg cell combined with a DNA from a sperm cell produces a single cell called a blank
zygote
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The division of the cell in question two is called blank, because the resulting cells get blank
cleavage, smaller
-
before a cell divides, its blank has to be blank
DNA copied
-
The two strands of DNA blank (come apart) and next to each, a blank strand is formed
unravel complementary
-
now there are two sets of two strands of DNA were each consists of an blank strand, and a blank strand
Old new
-
The lifecycle of a cell is called the blank blank
Cell cycle
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blank is what happens to a cell between cell divisions
interphase
-
The process in question eight has blank parts called blank, blank, and blank
3 G1 S G2
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in the G1 phase, the cell blank to normal size.
grows
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In the S (synthesis) phase blank, is replicated, and most of the blank are duplicated
DNA organelles
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in the G2 phase, the cell grows more and blank to blank
Prepares divide
-
during blank, the cell nucleus divides
Mitosis
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during blank, the cytoplasm divides
Cytokinesis
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cell division enables some organisms to reproduce, blank, (producing another organism from one organism)
asexually
-
cells with two of each chromosome are called blank
Diploid
-
when a chromosome replicates in the S phase, it produces two pairs of blank blank
Sister chromatids
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The two objects formed in question 17 are connected by a protein structure, called a blank
Centromere
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The first phase of mitosis is blank
phrophase
-
in the phase of mitosis in question 19, the chromosomes become blank
Condensed
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The chromosomes become blank, blank, and blank. Otherwise, they would be strong, strong out too thin.
Coiled thicker and shorter
-
The membrane around the nucleus, blank blank
comes apart
-
blank, blank attached to the centromeres and pull apart the chromatids
Spindle fibers
-
at the end of this phase, there are blank of each chromosome
4
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The next phase of mitosis is blank, where the chromosomes are pulled to the blank of the cell
metaphase center
-
during the third phase of mitosis, called blank, chromosomes can be seen being pulled toward the blank ends of the cell
anaphase Opposite
-
during the fourth phase of mitosis, called blank, the chromosomes can be seen at the blank ends of the cell with the new blank reforming around them
telophase opposite nuclei
-
there are now blank nuclei with blank of each chromosome in each
two two
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An animal cells, a blank, blank forms during cytokinesis, separating the two blank of the cell
Division ring halves
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in plant cells, a blank, blank forms between the new cells, and gradually separates them
Cell plate
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N stands for the blank of blank in a cell
Number chromosomes
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in mitosis, blank, blank, X blank
4n 2 2n
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cells that are not involved in reproduction are called blank cells
Somatic
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