NAME______PD______

BIOCHEMISTRY AND CELL REPRODUCTION

MITOSIS:

MATCHING: MATCH EACH PHASE WITH WHAT GOES ON IN EACH STEP. SOME ANSWERS WILL BE USED MORE THAN ONCE.

A.METAPHASE

  1. PROPHASE
  2. ANAPHASE
  3. TELOPHASE

______1. YOU WILL SEE SPINDLE FIBERS

______2. NUCLEAR MEMBRANE WILL DISAPPEAR

______3. CHROMOSOMES LOOK LIKE A V

______4. CHROMOSOMES WILL SEPARATE

______5. TWO NEW CELLS ARE FORMED

______6. CHROMOSOMES LINE UP IN THE MIDDLE

SHORT ANSWER:

  1. LIST THE STEPS OF MITOSIS IN THE ORDER THAT THEY HAPPEN.
  1. THE NUCLEUS WILL DISAPPEAR DURING WHAT 2 STAGES?
  1. WHAT IS THE PART CALLED THAT PRODUCE THE SPINDLE FIBERS?
  1. DURING WHAT STEP DO THE CHROMOSOMES ATTACH TO THE SPINDLE FIBERS?

11. WHY IS CANCER CONSIDERED A DISEASE OF MITOSIS?

LABEL THE DRAWINGS AS ONE OF THE FOLLOWING: ANAPHASE, PROPHASE, TELOPHASE OR METAPHASE.

12.______13. ______

14.______15.______

16. TELL ME ALL YOU CAN ABOUT INTERPHASE .

MEIOSIS:

MATCHING: MATCH THE PHASE OF MEIOSIS WITH THE STEP NUMBER

______1. METAPHASE IIA. STEP 4

______2. TELOPHASE IB. STEP 6

______3. ANAPHASE IC. STEP 3

______4. TELOPHASE IID. STEP 8

______5. PROPHASE II E. STEP 2

______6. METAPHASE IF. STEP 5

______7. PROPHASE IG. STEP 7

______8. ANAPHASE IIH. STEP 1

WORD BANK(NOT ALL WORDS WILL BE USED)
SPERMFOURCHROMOSOME

EGGTWO4623

FILL-IN:

9. IN HUMANS THE SEX CELLS ARE THE______AND______.

  1. THE NUMBER OF CHROMOSOMES IN A SEX CELL IS______.

11. THE______NUMBER WILL DOUBLE WHEN THE SPERM

AND EGG JOIN.

12. ______CELLS ARE PRODUCED AT THE END OF MEIOSIS II.

SHORT ANSWER: ANSWER IN COMPLETE SENTENCES

  1. EXPLAIN THE DIFFERENCE BETWEEN HAPLOID AND DIPLOID.
  1. HOW IS MEIOSIS DIFFERENT FROM MITOSIS?
  1. IF A SPERM CELL HAS 15 CHROMOSOMES, HOW MANY WERE IN THE

ORIGINAL SEX CELL?

  1. WHAT HAPPENS TO THE NUMBER OF CHROMOSOMES FROM THE

BEGINNING TO THE END OF MEIOSIS?

17. LABEL THE FOLLOWING PICTURES WITH THE CORRECT PHASE OF

MEIOSIS.

B.

A . C.

BIOCHEMISTRY:

18. List the elements that are in CHNOPS.

19. What is the difference between a molecule of life and the elements of life?

20. For each molecule of life, carbohydrates, lipids, proteins and nucleic acids, do the following: list what element makes them up, what the molecule does and give an example of each.

21. Describe how the elements in the periodic table are set up (organized).