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ROBERTS Download 10

ROBERTS Download 10 - Download 10 Cell Division(Mitosis...

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Download 10 Cell Division (Mitosis) & Cancer 0 Principles of Biology BIOL 1543 Greig Roberts, DDS Office: SCEN 417 E-Mail: [email protected]
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2 Like begets like, more or less In sexual reproduction , fertilization of sperm and egg produces offspring. In asexual reproduction , offspring are produced by a single parent, without the participation of sperm and egg. Their offspring are genetic copies of the parent and of each other.
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3 Other organisms reproduce sexually, creating a variety of offspring Like begets like, more or less
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4 Other organisms reproduce sexually, creating a variety of offspring Like begets like, more or less
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5 Cells arise only from preexisting cells Cell division is at the heart of the reproduction of cells and organisms because cells come only from preexisting cells. Prokaryotic cells reproduce asexually by cell division: binary fission .
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6 Prokaryotic chromosome Plasma membrane Cell wall As the cell replicates its single chromosome, the copies move apart and the growing membrane then divides the cells Binary Fission
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7 THE EUKARYOTIC CELL CYCLE AND MITOSIS The large, complex chromosomes of eukaryotes duplicate with each cell division. A eukaryotic cell has many more genes than a prokaryotic cell and they are grouped into multiple chromosomes in the nucleus.
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8 LM 600 × Individual chromosomes contain a very long DNA molecule associated with proteins and are visible
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