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Cells & Heredity: Chapter 3 Sections 3-1 and 3-3.

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Presentation on theme: "Cells & Heredity: Chapter 3 Sections 3-1 and 3-3."— Presentation transcript:

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2 Cells & Heredity: Chapter 3 Sections 3-1 and 3-3

3 Cell Division GDRDefinitionsLabsMisc 10 20 30 40

4 Genetic material is organized in a cell in the A.nucleus. nucleus. B.cytoplasm. cytoplasm. C.cell membrane. cell membrane.cell membrane. 10 Points

5 DNA is organized in the cell as A.chromosomes. chromosomes. B.ribosomes. ribosomes. C.chromatids. chromatids. 20 Points

6 DNA is condensed very ------ into chromosomes. A.loosely. loosely. B.tightly. tightly. C.nucleicly. nucleicly. 30 Points

7 From birth to adult, the cells in the organism A.get larger and larger. get larger and larger.get larger and larger. B.get larger and then level off. get larger and then level off.get larger and then level off. C.increase in number. increase in number.increase in number. 40 Points

8 Growth involves one cell dividing into A.a bud. a bud.a bud. B.two more cells. two more cells.two more cells. C.a regeneration. a regeneration.a regeneration. 10 Points

9 Development means A.growing into more cells. growing into more cells.growing into more cells. B.specializing into different cells. specializing into different cells.specializing into different cells. C.curing sores. curing sores.curing sores. 20 Points

10 Repair refers to a cell A.getting rid of bad cells. getting rid of bad cells.getting rid of bad cells. B.making only new multicellular organisms. making only new multicellular organisms.making only new multicellular organisms. C.making new cells to heal a wound. making new cells to heal a wound.making new cells to heal a wound. 30 Points

11 GDR occurs in A.multicellular organisms. multicellular organisms.multicellular organisms. B.multicellular and unicellular organisms. multicellular and unicellular organisms.multicellular and unicellular organisms. C.unicellular organisms. unicellular organisms.unicellular organisms. 40 Points

12 Binary fission is asexual reproduction A.occurring in prokaryotes. occurring in prokaryotes.occurring in prokaryotes. B.occuring in yeast. occuring in yeast.occuring in yeast. C.occuring in starfish. occuring in starfish.occuring in starfish. 10 Points

13 Asexual reproduction is when A.one organism produces one or more new organisms. one organism produces one or more new organisms.one organism produces one or more new organisms. B.one organism produces two or more new organisms. one organism produces two or more new organisms.one organism produces two or more new organisms. C.two organisms produce one new organism. two organisms produce one new organism.two organisms produce one new organism. 20 Points

14 Budding occurs in A.starfish. starfish. B.yeast or Hydra. yeast or Hydra.yeast or Hydra. C.Hydra or starfish. Hydra or starfish.Hydra or starfish. 30 Points

15 Regeneration is when A.a bacteria makes a new cell. a bacteria makes a new cell.a bacteria makes a new cell. B.a multicellular organism makes new tissue or cells. a multicellular organism makes new tissue or cells.a multicellular organism makes new tissue or cells. C.a yeast makes a new yeast. a yeast makes a new yeast.a yeast makes a new yeast. 40 Points

16 The yarn represented the A.DNA. DNA. B.chromosomes. chromosomes. C.nucleus. nucleus. 10 Points

17 The stick the yarn was wrapped around represented the A.nucleus. nucleus. B.chromosome. chromosome. C.DNA. DNA. 20 Points

18 The yarn and stick lab was representing A.chromosomes condensing. chromosomes condensing.chromosomes condensing. B.DNA condensing. DNA condensing.DNA condensing. C.nuclear material expanding. nuclear material expanding.nuclear material expanding. 30 Points

19 A plant can do this when a leaf is put in water and forms roots. A.binary fission binary fissionbinary fission B.regenerate regenerate C.budding budding 40 Points

20 Most of the growth in your body occurs because your cells A.divide. divide. B.grow larger. grow larger.grow larger. C.take in oxygen. take in oxygen.take in oxygen. 10 Points

21 Which is an example of reproduction? A.binary fission in unicellular organism. binary fission in unicellular organism.binary fission in unicellular organism. B.cell division in a multicellular organism. cell division in a multicellular organism.cell division in a multicellular organism. C.division of cytoplasm. division of cytoplasm.division of cytoplasm. 20 Points

22 If a starfish is cut in half, it can regrow its missing body through A.binary fission. binary fission.binary fission. B.healing. healing. C.regeneration. regeneration. 30 Points

23 What ratio increases when a cell divides into two smaller cells? A.volume to length volume to lengthvolume to length B.width to surface area width to surface areawidth to surface area C.surface area to volume surface area to volumesurface area to volume 40 Points


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