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C-1.1 Assignment Cell Division Gizmo AA1 Exam 2024 Revision Guide
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C-1.1 Assignment Cell Division Gizmo
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Assignment C-1: Cell Division Gizmo Read the Explorelearning Enrollment Handout in the Introduction materials folder
to learn how you can access Gizmos.
Make sure you use a name your instructor can recognize when you log in and
don’t forget to do the 5 question quiz at the end of the Gizmo. They are part of your
mark.
Conduct a search for `cell division gizmo`
Follow the instructions carefully and step by step work through the gizmo and
answer the required questions. Type your answer between the brackets.
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Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
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1. Cells reproduce by splitting in half, a process called cell division. What do cells
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need to do between divisions to make sure that they don’t just get smaller and
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smaller? < Cell must go through G1 in order to grow bigger
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2. The genetic information of a cell is carried in its DNA (short for deoxyribonucleic
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acid). What do cells need to do between divisions to make sure that a full set of
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DNA gets passed on to each daughter cell? < They must duplicate
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DNA >
Gizmo Warm-up
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On the SIMULATION pane of the Cell Division Gizmo™,
check that the Cycle Length is set to 12 hours. Click Play
( ), observe until the maximum number of cells is shown,
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and then click Pause ( ).
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1. Look at the cells. Do they all look the same? < No >
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2. Cells that are in the process of dividing are said to be in
mitosis or cytokinesis. Cells that are not dividing are in
interphase.
Check the Magnify box and move the cursor over the
cells.
This study source was downloaded by 100000828326221 from CourseHero.com on 08-14-2021 02:31:43 GMT -05:00
https://www.coursehero.com/file/44240423/C-11-Assignment-Cell-Division-Gizmo-2docx/
, A. Of the 100 cells shown, how many are in the process of dividing? <
About 5-10 >
B. Select the BAR CHART tab, and turn on Show numerical values. How
many cells are in the interphase stage of their life cycle< 87 >
C. Based on these two observations, would you say that a cell spends most
of its life cycle in interphase or in mitosis/cytokinesis? < >
Activity A: Get the Gizmo ready:
Click Reset ( ).
Select the DESCRIPTION tab.
Phases of the
Click on the right arrow once so that
cell cycle Interphase is shown.
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Question: What are the stages of the cell cycle?
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1. Observe: Click Play and hold the cursor over the cell. Observe the cell as it
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divides several times. (This happens quickly!) What do you notice happening
during this process? < The DNA fibers unwinding, the
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spindle fibers forming, the chromatids being split and
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then the two newly produced cells >
2. Summarize: On the DESCRIPTION pane, read about each phase in the cell cycle.
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In the spaces below, sketch the cell in each phase and summarize what occurs in
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your own words.
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Phase Sketch Summary
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< Interphase is the growth
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< > stage that is divided into 3
Interphase
substages which each focus on
the growth of a different part >
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< The prophase starts with the
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nucleus membrane
disappearing, the chromosomes
Prophase
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< > being formed, the spindle fibers
being formed and finally with
the nucleolus disappearing. >
Metaphase < The metaphase contains the
This study source was downloaded by 100000828326221 from CourseHero.com on 08-14-2021 02:31:43 GMT -05:00
https://www.coursehero.com/file/44240423/C-11-Assignment-Cell-Division-Gizmo-2docx/
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