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Cells and Processes

Mitosis, Os and diff

QuestionAnswer
What do eukaryotic cells have that prokaryotic cells do not? A nucleus
Define Osmosis The movement of water from a high concentration to a low concentration through a semi-permeable membrane.
Define Diffusion The movement of molecules from a high concentration to a low concentration.
Define Semi-permeable Lets some things through but not others.
What is the stage of the cell cycle where the chromosomes copy? Interphase
What is the stage of the cell cycle where the chromosomes go to the center of the nucleus and look like spaghetti? Prophase
What is the stage of the cell cycle where the chromosomes line up and there is no longer a nucleus? Metaphase
What is the stage of the cell cycle where the chromosomes pull to opposite ends of the cell? Anaphase
What is the stage of the cell cycle where the two groups of chromosomes are grouped into two new nuclei? (Two nucleus in one cell) Telophase
What is the stage of the cell cycle where the cell splits into two daughter cells? Cytokinesis
What is the order of the stages for the cell cycle? Interphase, prophase, metaphase, anaphase, telophase, cytokinesis
What is sexual reproduction? 2 parent organisms, offspring is a combination of the two parent's DNA, happens in multicellular organisms.
What is asexual reproduction? 1 parent organism splits into two identical daughter cells. Offspring are genetically identical. Happens quicker than sexual reproduction.
What is an advantage of asexual reproduction? Happens quickly
What is an disadvantage of asexual reproduction? What can injure or kill one cell (parent cell) can injure or kill the copies (daughter cells).
What is an advantage of sexual reproduction? Since offspring are combinations of the parents they can adapt and survive more situation.
What has to happen before a cell can divide? Duplicate (copy) the chromosomes (DNA)
What is an disadvantage of sexual reproduction? Takes longer than asexual reproduction.
What does unicellular mean? one celled or single celled
What does multicellular mean? many celled
Created by: meginnij
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