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Background Samples prepared for transmission electron microscopy are embedded in an epoxy resin and sliced into ultrathin (100 nm) sections. The sections are usually stained with a heavy metal such as lead to enhance contrast. The sections are then examined with a transmission electron microscope. The photographs of these thin sections are put in order according to their position in the living cell and used to determine the shape of the original sample. Question Determine the appearance of the original, intact cell.
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∙ 15y ago
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Why does a eukaryotic cell need membranous organelles and fibrous cytoskeletal components?
That's what distinguishes it from a less complex prokaryoitic cell.
Does cell division increase the mass of the original cell?
no
How do the daughter cells produced by mitosis compare the the original cell?
The daughter cells are identical to the original cell.
How do the cells in mitosis compare to the original cell?
after mitosis the daughter cells are exactly identical to the original cell
What organelle helps keep the cell shape and determine what goes in and out of the cell?
Cell Wall
What is the structure of a cell during interphase?
The nucleus is intact and the genetic material has the appearance of chromatin.
Is it possible to determine the sex of a cell donor by examining the cell?
Yes, by examining the DNA of the cell, you will be able to determine if the donor was male (XY) or female (XX) based on the sex chromosomes. You will not be able to determine the sex of the donor by the appearance of the cell - the only way is to determine what sex chromosomes are present. Unless the cell is a sex cell, in which case sperm cells are easily distinguished from ovum/eggs.
Determine how many chromosomes are in the original cell compared to those in the new cell formed by cell division Explain?
If you mean cell division in mitosis, the number of chromosomes in the original cell and new cell should be the same.
Which characstics allows you to recognize a cell in interphase?
the nucleus intact
Why does a eukaryotic cell need membranous organelles and fibrous cytoskeletal components?
That's what distinguishes it from a less complex prokaryoitic cell.
How can cell membrane be like walls?
The cell membrane keeps the cell from falling apart and helps it stay intact.
Do chromosomes have same appearance during a cell's life?
No, their appearance remain changing during cell's life.
Do large cells move across the cell membrane quickly?
A large cell will never move across an intact cell membrane.
How many chromosomes does each new cell contains after mitosis if the original cell had 52 original cell chromosomes?
How many chromosomes does each new cell contain after mitosis if the original cell had 52 original cell chromosomes?
How many chromosomes does each new cell contain mitosis if the original cell had 52 original cell chromosomes?
How many chromosomes does each new cell contain after mitosis if the original cell had 52 original cell chromosomes?
The function of the cell is determined by?
structureThe shape of the protein will determine the cell. It will also determine the function of the cell.
You can alter the appearance of cell contents by changing the what?
cell formatting
