University:
Amherst College
Course:
BIOL 191 | Molecules, Genes and Cells
Academic year:

2021
Views:

148

Pages:

2
Author:

Shyanne Johnson

Onion Mitosis Web Ws Cell Division Answer the following questions 1. Why do the roots of plants grow? Because they search for water and food 2. How is it possible to see the chromosomes of a cell? Interphase with a microscope 3. For the highlighted cells, identify the phase of the cell cycle that is shown. Identify the stages of mitosis and answer the following questions. Phase: Interphase 1. What does the cell do during this phase? Grows and prepares for division What happens to the DNA? Duplicates a. Can chromosomes easily be seen? yes b. Why? they are doubling Phase What happens to the chromatin? Condenses What marks the beginning of prometaphase? Nuclear membrane dissolves How do chromosomes begin to move? The microtubules hase: Metaphase What is the metaphase plate? Fibers line the chromosomes What happens to the paired chromosomes? pulled to each end of the cell . How do the chromosomes move? Include in your answer kinetochore and spindle fibers By being pulled by the spindle fibers that connect to the kinetochore 11. What forms around the chromosomes? New membrane 12. What happens to the chromosomes? They start to disperse and cant be seen 13. What is the last phase of mitosis that begins at the end of this stage? Cytokinesis ases of mitosis into one of the five categories. When finished, count the number of cells in each of the phases and fill in the chart below. # of cells in this phase 20 Total Number of Cells Percentage (%) 36 56 Prophase 10 36 28 Metaphase 3 36 8 Anaphase 2 36 8 Telophase 1 36 2 Questions: 1. a. Which phase was the majority of the cells in? Interphase b. Why? Because it takes the longest 2. Which phase was the least amount of cells in? Telophase 3. a. Based on your observations, which phase do you think takes the quickest? Telophase b. Which takes the slowest? Interphase

Onion Mitosis Phase

Related Documents

Description

Related Documents

Almost There!

Free up your schedule!

Take 5 seconds to unlock