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DNA Lab and Mitosis

QuestionAnswer
What are the three main components of the extraction solution? water,dish soap, salt
What is the purpose of the dish soap? to dissolve the nuclear membrane
What is the purpose of the salt to break the DNA into smaller pieces
Why is alcohol added to the solution? because DNA isn't soluble in alcohol and will float to the top
What is the name of the little container the DNA was put in? extraction tube
What are the two main parts of the cell cycle? interphase, mitosis
Interphase is what percent of the total cell cycle? 90%
Mitosis is what percent of the cell cycle? 10%
What three things that happen during interphase? growth of the cell, performing cell functions, replicating DNA
Why is it important that the DNA is replicated? The DNA is doubled so when the cell divides there will be the right amount of DNA in each new cell.
What is the name of the original cell that undergoes mitosis? parent cell
What is the name of the two cells at the end of mitosis? daughter cells
What is the purpose of mitosis cell growth, cell repair, cell replacement
What is the acronym for the phases of mitosis? PMAT
Name the four phases in order. prophase, metaphase, anaphase, telophase
What happens during prophase The nuclear membrane dissolves, DNA condenses to visible chromosomes, centrioles move to the poles, spindle fibers begin to torm and attach to the chromosomes
What happens during metaphase The chromosomes line up in the middle of the cell (the equator)
What happens during anaphase? The spindle fibers condense and pull the chromosomes towards the poles.
What happens during telophase? The chromosomes begin to unwind; the nuclear membrane reforms; the cell membrane begins to pinch in.
What happens during cytokenesis? The cell membrane completely pinches in and divides the parent cell into two daughter cells.
What type of cells are made during mitosis? daughter cells identical to the parent cell; identical body (somatic) cells
What is the name for DNA when it is in its long, thready state before it condenses to chromosomes? chromatin
What is another name for body cells? somatic cells
Created by: Elodgen
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