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Biology Exam Three

Mitosis

QuestionAnswer
strictly speaking, mitosis and meiosis are divisions of the nucleus
when a cell undergoes mitosis the daughter cells have identical genes
the proteins responsible for the ultimate packaging of DNA into chromosome are the histones
duplicated DNA that is attached before mitosis is called sister chromatids
this phase of the cell cycle is when the cell is PREPARING to make new DNA G1
this phase of the cell cycle is when the cell IS making new DNA S
this phase of the cell is when the cell IS dividing M
the phase of mitosis when each individual chromosome lines up in a straight line is called metaphase
the phase of mitosis when sister chromatids are pulled apart is called anaphase
the phase of mitosis when the plasma membrane splits into two new cells is called cytokinesis
the number of DNA molecules in a duplicated chromosome (sister chromatids) is 2
after mitosis, a cell that had originally 16 chromosomes make two daughter cells that have how many chromosomes 16
plant cells that undergo mitosis form these structures during cytokinesis to make daughter cells cell plate
the chromosomes of cells are actually replicated (duplicate) during interphase
the spindle apparatus microtubles
the organelles responsible for the formation of the spindle apparatus are the centrioles
you cannot see chromosomes in a cell that is dividing (TRUE/FALSE) FALSE
what is not a stage of mitosis telophase
which of these cell types does not typically divide during your life time nerve cells
the phase of the meiosis when chromosomes homologous chromosomes line up in pairs in a straight line is called metaphase I
meiosis occurs in cells destined to be gamates
homologous chromosomes can exchange genetic material (TRUE/FALSE) TRUE
synapsis and crossing over ( the exchange of DNA between homologous chromosome pairs ) can occur during prophase I
at the beginning of meiosis in human cell destined to be a sperm or egg, there are how many chromosome pairs 23
a cell has 46 totals chromosomes and goes through meiosis. how many chromosomes are in a cells following meiosis 23
which of these conditions is associated with problems occurring during meiosis in cells destined be gametes down syndrome
when you can see sister chromatids during a cell's division, they typically look like a X
all sperm or egg made by male or female organism, respectively, are identical with regard to genetic (TRUE/FALSE) FALSE
the starting cell that goes through meiosis to be a sperm that actually produces how many sperm cells 4
Mendels model plant is a pea plant
Created by: mmuhammad
 

 



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