Cell Reproduction <ul><li>Prokaryotes Bacteria </li></ul><ul><li>Eukaryotes Plants & animals </li></ul>
Prokaryotes <ul><li>Lack a nucleus  </li></ul><ul><li>Have a single chromosome </li></ul><ul><li>Reproduce by binary fissi...
Steps in Binary Fission <ul><li>Used by bacteria </li></ul><ul><li>Cells increase their cell mass slightly </li></ul><ul><...
Binary Fission of Bacterial Cell
E. Coli Dividing by Binary Fission
Eukaryotes <ul><li>Contain a nucleus & membrane bound organelles </li></ul><ul><li>Asexually reproduce cells by mitosis </...
Cell Cycle <ul><li>Stages in growth & division </li></ul><ul><li>G1  Phase </li></ul><ul><li>S Phase </li></ul><ul><li>G2 ...
G1 Phase <ul><li>First growth stage </li></ul><ul><li>Cell increases in size </li></ul><ul><li>Cell prepares to copy its D...
Synthesis Phase <ul><li>Copying of all of DNA’s instructions </li></ul><ul><li>Chromosomes duplicated </li></ul>
G2 Phase <ul><li>Time between DNA synthesis & mitosis </li></ul><ul><li>Cell continues growing </li></ul><ul><li>Needed pr...
M Phase <ul><li>Cell growth & protein production stop </li></ul><ul><li>Cell’s energy used to make 2 daughter cells </li><...
Life Cycle of a Cell Mitosis is a cycle with n o  beginning or end .
How do prokaryotes reproduce? <ul><li>Mitosis </li></ul><ul><li>Meiosis </li></ul><ul><li>Binary Fission </li></ul><ul><li...
Prokaryotes have: <ul><li>Mitochondria </li></ul><ul><li>Chloroplasts </li></ul><ul><li>Nucleus </li></ul><ul><li>All of t...
Eukaryotes reproduce asexxually by: <ul><li>Mitosis </li></ul><ul><li>Meiosis </li></ul><ul><li>Binary Fission </li></ul><...
What happens in the G1 phase of the cell cycle? <ul><li>Cell growth </li></ul><ul><li>Cell division </li></ul><ul><li>Chro...
What happens in the G2 phase of the cell cycle? <ul><li>DNA synthesis </li></ul><ul><li>Cell division </li></ul><ul><li>Ch...
What happens in the M phase of the cell cycle? <ul><li>DNA synthesis </li></ul><ul><li>Cell growth </li></ul><ul><li>Chrom...
Interphase – Resting Stage (Not Really) <ul><li>Cells carrying on normal activities </li></ul><ul><li>Chromosomes aren’t v...
Interphase
Stages of Mitosis <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li...
Cells Undergoing Mitosis
Steps in Prophase <ul><li>DNA coils tightly & becomes visible as chromosomes </li></ul><ul><li>Nuclear membrane disappears...
Prophase
Eukaryotic Chromosome
Human Chromosomes
Steps in Metaphase <ul><li>Spindle fibers from centrioles attach to each chromosome </li></ul><ul><li>Cell preparing to se...
Metaphase
Steps in Anaphase <ul><li>Cell chromosomes are separated </li></ul><ul><li>Spindle fibers shorten so chromosomes pulled to...
Mitotic Spindle
Anaphase
Steps in Telophase <ul><li>Separation of chromosomes completed </li></ul><ul><li>Cell Plate forms (plants) </li></ul><ul><...
Telophase         Plant              Animal
Cytokinesis <ul><li>Occurs after chromosomes separate </li></ul><ul><li>Forms two, identical daughter cells </li></ul>
Cytokinesis Cell Plate Forming in Plant Cells
Which of the following describes interphase? <ul><li>Chromosomes line up in the middle </li></ul><ul><li>Chromosomes aren’...
The nucleus reforms in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophas...
Chromosomes become visible in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>T...
Centrioles migrate to the poles in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul>...
Chromosomes separate in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telopha...
Spindle fibers attach to chromsomes in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul>...
The nuclear membrane disappears in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul>...
The formation of 2 new identical daughter cells <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </...
Chromosomes line up in the middle in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><u...
Enter question text... <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase...
Cell plates form in plants during: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><...
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Cell cycle reproduction lecture with turning point

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  • What happens in animal cells? Clevage furrow
  • Cell cycle reproduction lecture with turning point

    1. 1. Cell Reproduction <ul><li>Prokaryotes Bacteria </li></ul><ul><li>Eukaryotes Plants & animals </li></ul>
    2. 2. Prokaryotes <ul><li>Lack a nucleus </li></ul><ul><li>Have a single chromosome </li></ul><ul><li>Reproduce by binary fission </li></ul><ul><li>Include bacteria </li></ul>
    3. 3. Steps in Binary Fission <ul><li>Used by bacteria </li></ul><ul><li>Cells increase their cell mass slightly </li></ul><ul><li>DNA & cell components are replicated </li></ul><ul><li>Each cell divides into 2 daughter cells </li></ul>
    4. 4. Binary Fission of Bacterial Cell
    5. 5. E. Coli Dividing by Binary Fission
    6. 6. Eukaryotes <ul><li>Contain a nucleus & membrane bound organelles </li></ul><ul><li>Asexually reproduce cells by mitosis </li></ul>
    7. 7. Cell Cycle <ul><li>Stages in growth & division </li></ul><ul><li>G1 Phase </li></ul><ul><li>S Phase </li></ul><ul><li>G2 Phase </li></ul><ul><li>M Phase </li></ul><ul><li>Cytokinesis </li></ul>
    8. 8. G1 Phase <ul><li>First growth stage </li></ul><ul><li>Cell increases in size </li></ul><ul><li>Cell prepares to copy its DNA </li></ul>
    9. 9. Synthesis Phase <ul><li>Copying of all of DNA’s instructions </li></ul><ul><li>Chromosomes duplicated </li></ul>
    10. 10. G2 Phase <ul><li>Time between DNA synthesis & mitosis </li></ul><ul><li>Cell continues growing </li></ul><ul><li>Needed proteins produced </li></ul>
    11. 11. M Phase <ul><li>Cell growth & protein production stop </li></ul><ul><li>Cell’s energy used to make 2 daughter cells </li></ul><ul><li>Called mitosis or karyokinesis (nuclear division) </li></ul>
    12. 12. Life Cycle of a Cell Mitosis is a cycle with n o beginning or end .
    13. 13. How do prokaryotes reproduce? <ul><li>Mitosis </li></ul><ul><li>Meiosis </li></ul><ul><li>Binary Fission </li></ul><ul><li>Sexual Reproduction </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    14. 14. Prokaryotes have: <ul><li>Mitochondria </li></ul><ul><li>Chloroplasts </li></ul><ul><li>Nucleus </li></ul><ul><li>All of the above </li></ul><ul><li>None of the above </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    15. 15. Eukaryotes reproduce asexxually by: <ul><li>Mitosis </li></ul><ul><li>Meiosis </li></ul><ul><li>Binary Fission </li></ul><ul><li>Binary Fusion </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    16. 16. What happens in the G1 phase of the cell cycle? <ul><li>Cell growth </li></ul><ul><li>Cell division </li></ul><ul><li>Chromsome duplication </li></ul><ul><li>DNA synthesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    17. 17. What happens in the G2 phase of the cell cycle? <ul><li>DNA synthesis </li></ul><ul><li>Cell division </li></ul><ul><li>Chromsome duplication </li></ul><ul><li>Protein Production </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    18. 18. What happens in the M phase of the cell cycle? <ul><li>DNA synthesis </li></ul><ul><li>Cell growth </li></ul><ul><li>Chromsome duplication </li></ul><ul><li>Makes 2 new cells </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    19. 19. Interphase – Resting Stage (Not Really) <ul><li>Cells carrying on normal activities </li></ul><ul><li>Chromosomes aren’t visible </li></ul><ul><li>Cell metabolism is occurring </li></ul><ul><li>Occurs before mitosis </li></ul>
    20. 20. Interphase
    21. 21. Stages of Mitosis <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul>
    22. 22. Cells Undergoing Mitosis
    23. 23. Steps in Prophase <ul><li>DNA coils tightly & becomes visible as chromosomes </li></ul><ul><li>Nuclear membrane disappears </li></ul><ul><li>Nuceolus disappears </li></ul><ul><li>Centrioles migrate to poles </li></ul><ul><li>Spindle begins to form </li></ul>
    24. 24. Prophase
    25. 25. Eukaryotic Chromosome
    26. 26. Human Chromosomes
    27. 27. Steps in Metaphase <ul><li>Spindle fibers from centrioles attach to each chromosome </li></ul><ul><li>Cell preparing to separate its chromosomes </li></ul><ul><li>Cell aligns its chromosomes in the middle of the cell </li></ul>
    28. 28. Metaphase
    29. 29. Steps in Anaphase <ul><li>Cell chromosomes are separated </li></ul><ul><li>Spindle fibers shorten so chromosomes pulled to ends of cell </li></ul>
    30. 30. Mitotic Spindle
    31. 31. Anaphase
    32. 32. Steps in Telophase <ul><li>Separation of chromosomes completed </li></ul><ul><li>Cell Plate forms (plants) </li></ul><ul><li>Cleavage furrow forms(animals) </li></ul><ul><li>Nucleus & nucleolus reform </li></ul><ul><li>Chromosomes uncoil </li></ul>
    33. 33. Telophase         Plant              Animal
    34. 34. Cytokinesis <ul><li>Occurs after chromosomes separate </li></ul><ul><li>Forms two, identical daughter cells </li></ul>
    35. 35. Cytokinesis Cell Plate Forming in Plant Cells
    36. 36. Which of the following describes interphase? <ul><li>Chromosomes line up in the middle </li></ul><ul><li>Chromosomes aren’t visible </li></ul><ul><li>Chromosomes are pulled apart </li></ul><ul><li>Chromosomes cross over </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    37. 37. The nucleus reforms in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    38. 38. Chromosomes become visible in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    39. 39. Centrioles migrate to the poles in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    40. 40. Chromosomes separate in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    41. 41. Spindle fibers attach to chromsomes in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    42. 42. The nuclear membrane disappears in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    43. 43. The formation of 2 new identical daughter cells <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    44. 44. Chromosomes line up in the middle in: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    45. 45. Enter question text... <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
    46. 46. Cell plates form in plants during: <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul><ul><li>Cytokinesis </li></ul>20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

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