Anatomy and Physiology - A&P 1 > LAB QUIZ > BIO210L Lab 3 Mitosis and Meiosis[ALL ANSWERS 100% CORRECT] PRE-LAB Q&A (All)

BIO210L Lab 3 Mitosis and Meiosis[ALL ANSWERS 100% CORRECT] PRE-LAB Q&A

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Lab 3 Mitosis and Meiosis BIO201L Student Name: Latoya Tulloch Access Code (located on the lid of your lab kit): AC-7JYMXQH Pre-Lab Questions ”1. What are chromosomes made of?” Chromosomes are... made of chromatin which are DNA proteins.chromatin has sub units called nucleosomes ”2. Compare and contrast mitosis and meiosis. ” Comparison; both begins with two chromosomes. Both processes entails production of new cells Differences; In meiosis, there is crossing over and synapsis while it does not happen in mitosis which occurs in somatic cells. Mitosis produces body cells while meiosis produces gametes. ”3. Cancer is a disease related to uncontrolled cell division. Investigate two known causes for these rapidly dividing cells and use this knowledge to invent a drug that would inhibit the growth of cancer cells. ” Causes; environmental factors and genetic factors. I would create a medication that specifically targets the cancerous cell receptors to inhibit their replication. Experiment 1: Observation of Mitosis in a Plant Cell Table 1: Mitosis Predictions Predictions I estimate the duration of interphase to be around 21 hours, the mitotic phase to be 3 hours, and the cytokinesis to be 45 minutes. Supporting Evidence The longest phase in mitosis is the interphase, it takes between 18 and 24 hours. Table 2: Mitosis Data Chosen Image Click here to enter text. Stage Number of Cells in Stage Total Number of Cells Calculated % of Time Spent in Stage Interphase 18 24 75% Prophase 2 24 8.3% Metaphase 0 24 0% Lab 3 Mitosis and Meiosis BIO201L Chosen Image Click here to enter text. Stage Number of Cells in Stage Total Number of Cells Calculated % of Time Spent in Stage Anaphase 1 24 4.2% Telophase 1 24 4.2% Cytokinesis 1 24 4.1% Lab 3 Mitosis and Meiosis BIO201L Table 3: Stage Drawings Cell Stage Drawing REMEMBER: Your drawings should have your name and access code handwritten in the background. Interphase Prophase Metaphase Lab 3 Mitosis and Meiosis BIO201L Cell Stage Drawing REMEMBER: Your drawings should have your name and access code handwritten in the background. [Show More]

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