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CELL DIVISION

QuestionAnswer
the chemical formula for _____ is H2O (numbers are subscipts) water
the chemical formula for _____ is CO2 (numbers are subscipts) carbon dioxide
the chemical formula for _____ gas is O2 (numbers are subscipts) oxygen
the symbol for the element oxygen is _____ O
the symbol for the element hydrogen is _____ H
the symbol for the element carbon is _____ C
Carbon dioxide is made of carbon and _____. oxygen
This molecule (made of O and H) is necessary for cell functions. water
Cell division in eukaryotic cells is called _____. mitosis
There are _____ phases of mitosis. four
The structures in the nucleus made of DNA are called _____. chromosomes
Cell A takes 6 hrs to divide. Cell B takes 8 hrs to divide. After 24 hrs, how many more copies of cell A would there be than cell B? eight
In this phase of mitosis, chromosomes line up in the middle along the equator. metaphase
In this phase of mitosis, the nuclear membrane dissolves and the chromosomes become more visible. prophase
In this phase of mitosis, chromosomes separate and move away to opposite sides of the cell. anaphase
This is the "resting" phase of a cell when a cell performs its normal functions. Chromosomes are copied when mitosis is about to occur. interphase
In this phase of mitosis, a nuclear membrane reforms around two new nuclei/sets of chromosomes and the cytoplasm is starting to pinch inward. telophase
Human body cells have how many chromosomes? 46
How many chromosomes did you inherit from your mom? 23
How many chromosomes did you inherit from your dad? 23
One reason for mitosis is to allow multicellular organisms to _____ (get larger in size). grow
One reason for mitosis is to allow unicellular organisms to _____ (make more of their own kind). reproduce
One reason for mitosis is to allow multicellular organisms to replace old, worn-out _____ cells. dead
One reason for mitosis is to allow multicellular organisms to _____ injuries. repair
How many steps are there in the entire Cell Cycle? 6
This is the final step of the cell cycle when the cytoplasm completely separates into two new cells. cytokinesis
Mitosis is when the nucleus (chromosomes/DNA) divides. How many steps are there to Mitosis? 4
During what phase/stage does DNA copy itself? (HINT: This occurs at the end of which phase--right before MITOSIS begins.) interphase
How many daughter cells result from one cell division? 2
TRUE or FALSE --> The parent cell no longer exists once cell division is complete true
90% of a cell's life is spent in this phase. interphase
TRUE or FALSE --> Since mitosis happens in cells/tissues that are growing quickly, you would expect to see it happening in baby's bones. true
TRUE or FALSE --> Since mitosis happens in cells/tissues that are growing quickly, you would expect to see it happening in the scalp/hair follicles of a balding man. false
TRUE or FALSE --> Since mitosis happens in cells/tissues that are growing quickly, you would expect to see it happening in the brain of an 85 year old male. false
Created by: mrsgilbert
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