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Bio Cell Division

QuestionAnswer
In what process do bacteria replicate? Binary fission
What is different between binary fission and mitosis? In binary fission there are no spindle fibers and DNA replication happens at the same time as seperation.
In what kind of asexual reproduction does an embryo form an unfertilized cell? Parthenogenesis
In what kind of asexual reproduction does small growth on the surface of a parent break off? Budding
In what kind of asexual reproduction does a broken off part of an organism grow into a new organism? Fragmentation
True or False: Interphase is part of mitosis. False
True or False: Cytokinesis is not part of mitosis. True
Why are body cells genetically different? Cell differentiation
What protein repairs DNA? p53
If p53 did not function properly what would happen? Cells with damaged DNA would replicate, causing tumors and eventually cancer.
What do cells do to destroy themselves? Apoptosis
What is uncontrolled cell growth called? Cancer
What is a benign tumor? A tumor that stays in the same place and doesn't spread throughout the body.
What is a malignant tumor? Cancerous tumors that can travel to other parts of the body and spread.
Are benign or malignant tumors more dangerous? Malignant
What kind of cells spend less time in interphase, grow fast, can travel, and grow uncontrolled? Cancer cells
What creates the huge change in between a zygote and an embryo? Cell Differentiation
What kind of reproduction is quick, requires only one parent, and allows a single organism to quickly colonize an area? Asexual reproduction
What kind of reproduction has offspring that are all clones without genetic variation and a lower chance of adapting to new conditions? Asexual reproduction
What kind of reproduction has a lot of genetic variation that can adapt to new conditions and allows evolution? Sexual reproduction
What kind of reproduction takes a lot of time and energy? Sexual reproduction
Where does the cell check if all DNA was made and made properly? G2 Checkpoint
In what stage of mitosis does chromatin condense into chromosomes? Prophase
In what stage of mitosis do chromosomes line up in the middle of the cell? Metaphase
In what stage of mitosis do chromosomes get pulled apart by spindle fibers? Anaphase
In what stage of mitosis do split-up chromosomes arrive at opposite poles and the nuclear membrane surrounds chromosomes? Telophase
In what stage of mitosis does a cleavage furrow form and break the cell apart? Cytokinesis
In what stage of meiosis does crossing over and recombination happen? Prophase 1
What is a structure of 4 chromatids? A tetrad
What is it called when homologous pairs of chromosomes line up at random at the metaphase plate? Independent assortment
When does independent assortment occur in meiosis? Metaphase 1
What part of Metaphase 1 creates genetic variation? Independent assortment
When do pairs of homologous chromosomes get pulled apart to opposite poles in meiosis? Anaphase 1
What is the result of meiosis 1? Two haploid cells
Which stage of meiosis do single chromosomes line up at the equator? Metaphase 2
Which stage of meiosis do single chromosomes divide? Anaphase 2
Which stage of meiosis do nuclei form around chromatids? Telophase 2
What does stem cell potency describe? A cell’s ability to differentiate into various cell types.
When can stem cells specialize? During differentiation
What kind of stem cell can form any cell type? Totipotent
What kind of stem cell can form every cell type except for extra-embryonic tissues? Pluripotent
What kind of stem cell can form into anything within a specific lineage or tissue? Multipotent
What kind of stem cell can only differentiate into one type? Unipotent
Created by: agastyad
 

 



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