BRAINCAKE

The Cell Cycle

Edexcel AS-level BiologyTopic 7 of 1718 lessons

Revision notes for The Cell Cycle in Edexcel Biology (8BI0). Read the start of any lesson here, then sign in free for the whole lesson, the R.E.C.I.P.E. recall steps and the quiz.

  1. ChromosomesIn a eukaryotic cell, the DNA in the nucleus is divided into a number of linear molecules.
  2. The Cell CycleThe cell cycle is the regular sequence of events by which a eukaryotic cell grows, copies its DNA and divides into two daughter cells.
  3. Control of the Cell CycleThe cell cycle is tightly controlled so that a cell only divides when it should, and only when it is ready.
  4. MitosisMitosis is the division of the nucleus that produces two daughter nuclei, each genetically identical to the parent nucleus and to each other, with…
  5. ProphaseProphase is the first stage of mitosis.
  6. MetaphaseMetaphase is the second stage of mitosis, following prophase.
  7. AnaphaseAnaphase is the third stage of mitosis, following metaphase.
  8. TelophaseTelophase is the final stage of mitosis.
  9. CytokinesisCytokinesis is the division of the cytoplasm to form two separate daughter cells.
  10. Asexual ReproductionAsexual reproduction is the production of new individuals from a single parent, without the fusion of gametes.
  11. SporulationSporulation (spore formation) is a type of asexual reproduction in which a parent organism produces large numbers of small, light reproductive cells…
  12. RegenerationRegeneration is the regrowth of lost or damaged body parts by mitosis followed by cell differentiation.
  13. BuddingBudding is a type of asexual reproduction in which a new individual develops as an outgrowth (a bud) from the body of the parent.
  14. Vegetative PropagationVegetative propagation is asexual reproduction in plants in which a new plant grows from a vegetative (non-reproductive) part of the parent, such as…
  15. Mitosis and Growth and RepairMitosis produces two daughter cells that are genetically identical to each other and to the parent cell, with the same number of chromosomes (46 in…
  16. Measuring GrowthGrowth is a permanent increase in size or mass, usually brought about by an increase in cell number and cell size.
  17. Growth PatternsWhen size is plotted against time, the shape of the curve shows the growth pattern of an organism.
  18. Growth in PlantsUnlike animals, in which cell division happens throughout the body, growth in plants is restricted to regions called meristems.

All Edexcel AS-level Biology topics