This is a comprehensive and detailed practice material that contains pre lab questions and answers on mitosis and meiosis.
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Mitosis and Meiosis
Pre-Lab Questions
1. Describe at least three similarities and three differences between mitosis and meiosis.
Similarities:
1. Both types of cell division
2. Both require spindle fibers
3. Duplication of chromosomes
Differences:
1. Mitosis is one stage, meiosis is two stages
2. Mitosis makes two daughter cells, meiosis makes four daughter cells
3. Mitosis has diploid cells and meiosis has haploid cells
2. What major events occur during interphase?
(G1): cell grows and performs normal functions
(S): DNA replication
(G2): cell undergoes last minute growth and organelle duplication
3. What are chromosomes made of?
DNA coiled tightly around histones (structure supporting protein)
4. Cancer is a disease related to uncontrolled cell division. Do a web-search to learn about
chemotherapy drugs used to treat cancer. Briefly describe how one of these drugs
functions in relation to cell division. Explain your answer. Include references to
information sources used. Mitosis and Meiosis
Chemotherapy drugs travel through the bloodstream and target cells that are dividing
into two new cells. The drugs do this to avoid replicating and spreading of foreign cancer
cells. Unfortunately, chemotherapy drugs do not know exactly which cells to target, so
they target our bodies normal cells too. This explains why your hair, skin, and bone
marrow is affected, because these cells are always renewing themselves.g
, Experiment 1: Observation of Mitosis in a Plant Cell
Data Tables
Table 1: Stage Drawings
Cell Stage Drawing
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Hypothesis for Part 2:
Table 2: Mitosis Data
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