Download daughter DNA interphase volume binary fission G1 nucleus cell

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Transcript
During interphase, there are three stages. During the __________ phase, the
cell grows. During the ___________ phase, the genetic material (DNA) of the
cell is copied. During the ____________ phase, the cell prepares for division.
The events that make up the life of a cell are called the _________________.
The two main parts of this cycle are ___________________ and
___________________.
Each chromosome has two identical sections of DNA called ______________
that are connected at a region called the _____________________. These
identical sections of DNA must separate during cell division.
Uncoiled DNA and proteins are called ____________________, which coils up
during cell division to form ____________________.
In eukaryotic cells, cell division is a little more complicated. In these cells, DNA is
found in the ____________.
During prokaryotic cell division, DNA is copied and divided into two identical
____________ cells. This process is called ______________________.
Another reason cells cannot grow forever is that the _______________ of their
membrane does not increase as quickly as the ________________, which limits
the necessary transport of materials into and out of the cell.
To make large organisms (ex: plants and animals), cells divide because they can’t
continue to grow forever. One reason they can’t grow forever is they will not have
enough __________ to control a massive cell’s activities.
daughter
DNA
interphase
volume
binary fission
G1
nucleus
cell cycle
chromatin
chromatids
centromere
S
chromosomes
cell division
G2
prophase
mitotic spindle
cleavage furrow
metaphase
mitosis
nuclear membrane
anaphase
centromere
cytokinesis
telophase
centrioles
cell plate
surface area
After mitosis, the cytoplasm divides in a process called cytokinesis. In animal
cells, the cell membrane pinches in to form a __________________. In plant
cells, a _________________ forms between the two new daughter cells.
During ____________________, two nuclear membranes reform, chromosomes
uncoil, and the mitotic spindle breaks down. At this point, nuclear division is
complete.
During ___________________, spindle fibers pull apart chromatids and
carry new daughter chromosomes to opposite ends of the dividing cell.
During ___________________, spindle fibers arrange chromosomes at the
center of the cell along a line called the metaphase plate. Spindle fibers
attach to chromosomes at the ___________________.
In this stage, the ________________________ also begins to form when
proteins called microtubules grow from structures at either end of the cell
called _______________________.
During _________________, the _____________________ breaks down
and chromatin coils into chromosomes.
Cell division involves two parts, mitosis and cytokinesis. _______________
is division of the nucleus, and _______________ is division of the
cytoplasm.