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BIOLOGY 101 Cell Division Gizmos
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  • Nursing (BIOLOGY101)
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  • Chamberlain College Of Nursing

BIOLOGY 101 Cell Division Gizmos Student Exploration: Cell Division Vocabulary: cell division, centriole, centromere, chromatid, chromatin, chromosome, cytokinesis, DNA, interphase, mitosis Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Cells reproduce by splitting in half, a ...

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  • June 25, 2023
  • 8
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • biology
  • biology101
  • exam

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  • Chamberlain College Of Nursing
  • Nursing (BIOLOGY101)
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BIOLOGY 101 Cell Division Gizmos
Name: Aditya Sharma Date: April 08, 2020



Student Exploration: Cell Division

Vocabulary: cell division, centriole, centromere, chromatid, chromatin, chromosome,
cytokinesis, DNA, interphase, mitosis


Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1. Cells reproduce by splitting in half, a process called cell division. What do cells need to do
between divisions to make sure that they don’t just get smaller and smaller?

In between cell division the cells go through the interphase stage. This includes the G1
phase, the S phase and the G2 phase. In the G1 phase the cell is growing and starting to




m
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get ready to replicate DNA. In the S phase the DNA is replicated and in the G2 phase the
cell prepares to divide. Cells spend most of their life in this stage.




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2. The genetic information of a cell is carried in its DNA (short for deoxyribonucleic acid). What
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do cells need to do between divisions to make sure that a full set of DNA gets passed on to
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each daughter cell?

The cells have to synthesize (replicate) their DNA which is done in the S phase of
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interphase.
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Gizmo Warm-up
On the SIMULATION pane of the Cell Division Gizmo, check that
the Cycle Length is set to 12 hours. Click Play ( ), observe until
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the maximum number of cells is shown, and then click Pause ( ).
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1. Look at the cells. Do they all look the same? NO


2. Cells that are in the process of dividing are said to be in mitosis
is




or cytokinesis. Cells that are not dividing are in interphase.
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Check the Magnify box and move the cursor over the cells.

A. Of the 100 cells shown, how many are in the process of dividing? 22
sh




B. Select the BAR CHART tab, and turn on Show numerical values. How many cells

are in the interphase stage of their life cycle? 78




This study source was downloaded by 100000828331062 from CourseHero.com on 08-15-2021 08:12:42 GMT -05:00
2018

https://www.coursehero.com/file/61819851/Cell-Division-Gizmodocx/

, Sharma 2

C. Based on these two observations, would you say that a cell spends most of its life

cycle in interphase or in mitosis/cytokinesis? Most of the cell’s life is spent in

interphase




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aC s
vi y re
ed d
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is
Th
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This study source was downloaded by 100000828331062 from CourseHero.com on 08-15-2021 08:12:42 GMT -05:00
2018
https://www.coursehero.com/file/61819851/Cell-Division-Gizmodocx/

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