cell division in which the nucleus divides into nuclei containing the same number of chromosomes
help pull apart the cell during replication and are made up of micrtubules
the two poles of the cell, the place where spindle fibers grow from.
does something with spindle fibers.
first and longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the nucleus
second phase of mitosis, during which the chromosomes line up across the center of the cell
the 3rd stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle
The final stage of mitosis or meiosis, during which a nuclear membrane forms around each set of new chromosomes
What are the phases of Mitosis
What happens during telophase
cytokinesis-splitting of cytoplasm
mitosis splitting of nuclus
Stages of interphase
Deoxyribosenucleic acid-forms the genetic material of all cells. Double helix structure
What structure is DNA
Cell Nuclease has ____ chromosomes
What are the different forms of DNA
combination of DNA and protein
Most common form of DNA
can't be seen
Blueprints that are read
visible form of DNA
Blueprint is NOT read
Chromotin is tightly coiled
1/2 of duplciated chromosome
2 chromatids attached at a centromere
Called sister chromatids
where sister chromoatids are joined
holds the kinetochore
protein in center of centromere and connected to microtubles to transport chromosome to opposite end of cell
Cell cycle is divided in ___ parts
2 Interphase and miotic phase
normal metabolic roles
genetic material duplicates
DNA is loose chromotin but ready to go
Miotic phase contains
cycle when a cell begins to divide
duplicated DNA seperates and moves to opposite sides-create 2 daughter nuclei
cytoplasm splits into 2 (makes identical daughter cells)
reproduction that does not involve the union of gametes and in which a single parent produces offspring that are genetically identical to the parent
process in which genetic material from two parents combines and produces offspring that differ genetically from either parent
thread like structures that have genetic info that is passed down from one generation to the next
describes a cell that does not have a nucleus or anyother membrane-covered organelles; also called bacteria.
contains a nucleues , plasama membrane
cytokineses in plant cell
cell membrane not flexible-creates a cell plate for division
cytokinesis in animals
cytoplasm pinches in 1/2 and separates
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