Lab Report for Mitosis (pages 182 – 187)
Instructions
1. Carefully study the information about the phases associated with mitosis in the Discussion and Review section of your lab manual (pages 182- 187).
2. Closely examine the six photos in this Lab Report. These photos represent cells from the apical meristem of an onion root in various stages of mitosis.
3. Record all answers on this Lab Report. Upload this completed document into the Wk6 Lab Report Dropbox.
Onion root tip photos at 600X and 1000X taken by Stan Carpenter of Hands-On Labs, Inc.
1. What phase is this cell undergoing?
2. What is next after this phase?
3. The two center side-by-side cells are undergoing two different …show more content…
What phase does it appear the cell above is undergoing?
9. Explain what happens during anaphase.
10. When the chromatids separate, what is each called?
Questions
Multiple Choice: Choose the term(s) which best complete the statement. Type the letter corresponding to your answer in the space provided.
_______11. The cytoplasm is divided during:
A. mitosis. B. cytokinesis.
C. S phase. D. G1 phase.
_______12. The stages of mitosis, in order, are:
A. prophase, metaphase, anaphase, telophase.
B. metaphase, telophase, prophase, anaphase.
C. anaphase, metaphase, telophase, prophase.
D. telophase, prophase, anaphse, metaphase.
_______13. Chromosomes are replicated (copied) during:
A. mitosis. B. cytokinesis.
C. S phase. D. G1 phase.
_______14. Chromatin condenses into chromosomes during:
A. prophase. B. …show more content…
metaphase. D. telophase.
_______15. Spindle fibers attach to chromosomes during:
A. prophase. B. anaphase
C. metaphase. D. telophase.
_______16. Chromosomes align to form metaphase plate:
A. prophase. B. anaphase
C. metaphase. D. telophase.
Match the term from Column I with the best definition from Column II.
_______ 17. Interphase A. chromosomes separate into sister chromatids _______ 18. Prophase B. nuclear envelope reforms around separated sets of DNA
_______ 19. Metaphase C. chromosomes align along middle of cell
_______ 20. Anaphase D. cell makes new organelles, copies DNA, and prepares for division
_______ 21. Telophase E. chromatin condenses, nuclear envelope dissolves
Short Answer Questions
Type your answer to the following questions within this lab report. You may add more space as your response requires.
22. What is the purpose of mitosis?
23. Why is the cell cycle important for organisms?
24. What is one main difference in the mitotic processes between plant and animal cells?
25. If the cell that has undergone mitosis originally had the diploid (2n) number of chromosomes, then what number of chromosomes will the nuclei in the two new cells