IPAD ACTIVITY—GA VIRTUAL (CELL CYCLE, MITOSIS,AND MEIOSIS)

Go to the following website:

TAB 1:

  1. List the 5 essential questions for this unit.
  2. What is the cellular reproductive process for eukaryotic cells?
  3. What 2 basic things is mitosis used for?
  4. What is binary fission?
  5. Define meiosis.
  6. Why is chromosome reduction critical during meiosis?
  7. What happens if the cell cycle becomes unregulated?

TAB 2:

  1. What is interphase?
  2. What % of the cell cycle does interphase comprise?
  3. What happens during S phase?
  4. Why must the cell cycle be regulated?
  5. Where is the first “checkpoint” in the cell cycle?
  6. What is G0?
  7. Where is the other “checkpoint” in the cell cycle?
  8. Where is the last “checkpoint” and what does it make sure of?
  9. Name AND define 2 enzymes/proteins which help regulate the cell cycle checkpoints.
  10. Why must the cell replicate its DNA before cell division?
  11. Differentiate between mitosis vs. cytokinesis.
  12. What’s the purpose of mitosis?
  13. What is mitosis characterized by?
  14. What’s the purpose of meiosis?
  15. What is meiosis characterized by?
  16. Define cancer cells.

IN THE GRAY BOX IN THE UPPER RIGHT HAND CORNER, CLICK ON “CANCER”.

CLICK ON “PRINTABLE VERSION”.

  1. Where does carcinoma originate from? (click next page)
  2. Name 2 ways a mutation may occur.

GO BACK TO TAB 2. IN THE GRAY BOX IN THE UPPER RIGHT HAND CORNER, CLICK ON “HOW CELLS DIVIDE”. CLICK ON “PRINTABLE VERSION”.

  1. Under “mitosis”, how many chromosomes do most human cells have?
  2. Under “meiosis”, If sperm and egg cells did not have half the chromosome number, how many chromosomes would a fertilized egg then have?
  3. Click on next page. During interphase, describe how chromosomes look.
  4. What is a centriole?
  5. Click on next page. During prophase, what happens to chromosomes?
  6. What is a chromatid?
  7. What happens to the nuclear envelope during prophase?
  8. What happens differently in prophase I during meiosis to allow for gene exchange?
  9. Click on next page. What happens during prometaphase?
  10. Click on next page. What happens during metaphase?
  11. Click on next page. What happens during anaphase?
  12. How is anaphase I different from normal anaphase?
  13. Click on next page. What happens during telophase?
  14. What is special about telophase I within a female egg cell?
  15. Click on next page. What is cytokinesis?
  16. Click on next page. How is interphase II different from normal interphase?
  17. Click on next page. How is prophase II different from prophase I?
  18. Click to the end (slide 15). At the end of meiosis II, describe the daughter cells produced.

GO BACK TO TAB 2. IN THE GRAY BOX IN THE UPPER RIGHT HAND CORNER, CLICK ON “CELL CYCLE”.

  1. What 2 things make up chromatin?
  2. Click Next. What does G1, S, G2, and M stand for?
  3. What does Cdks stand for AND what do they do?
  4. What does MPFs stand for And what do they do?
  5. What is p53?
  6. What is apoptosis?
  7. What is p27?
  8. What type of cancer patients are low in p27?
  9. Click next. How is animal cell cytokinesis different from plant cell cytokinesis?

TAB 3:

  1. What are sister chromatids?
  2. What is the centromere?
  3. What is a karyotype?
  4. What are alleles?
  5. What are somatic cells AND how many chromosomes do they have? How many pairs of homologs would this be?
  6. What are gametes AND how many chromosomes do they have?
  7. Differentiate between diploid vs. haploid.
  8. Draw the life cycle of a dog at the bottom of the page.

TAB 6:

  1. What is Meiosis I often referred to as?
  2. What is a tetrad?
  3. What happens to nonsister chromatids during Prophase I?

CLICK ON THE REVIEW SITE “OOGENESIS AND SPERMATOGENESIS”

  1. What is spermatogenesis?
  2. What is oogenesis?
  3. What are 2 major differences between these two?
  4. What is a polar body?

GO BACK TO TAB 6. CLICK ON “BIOLOGY CORNER: MEIOSIS”.

  1. What does the word “meiosis” actually mean?
  2. Sketch AND correctly label a chromosome’s structure.
  3. What is a human karyotype?
  4. What is mean by crossing over?
  5. What is independent assortment AND during what phase does it occur?

TAB 7:

IN THE GRAY BOX IN THE UPPER RIGHT HAND CORNER, CLICK ON “HeLa CELLS”.

  1. Explain who Henrietta Lacks was.
  2. Why are her cells so important?
  3. Why has there been a lot of confusion over the years about the source of HeLa cells?

GO BACK TO TAB 7. CLICK ON “THE IMMORTAL LIFE OF HENRIETTA LACKS by Rebecca Skloot”.

  1. Watch the Book Trailer Video from You Tube. List 5 things you learned from this video clip.