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6.2: Using The Health of Cells – Student Edition (Human Biology)

Difficulty Level: At Grade Created by: CK-12

Draw students' attention to the key ideas by using posters or overhead transparencies.

Emphasize that cells have important functions in maintaining homeostasis.

Discuss DNA mutations and genetic diseases.

Assign Activity 5-1: Cells Gone Awry.

Discuss information in Figure 5.1 on page 48 when discussing cystic fibrosis.

Emphasize Figures 5.2-5.5 on pages 49-51 as you discuss cancer.

Select appropriate Projects if time permits.

At the end of the section, refocus students' attention on the key ideas.

A suggested response will be provided upon request. Please send an email to teachers-requests@ck12.org.

Explain how a mutation in a DNA molecule of only one base could cause a genetic disease in which an essential protein is altered so that it does not function normally. Make sure you explain how each step of protein synthesis is affected.

What do you think happens to the cell cycle in a tumor cell (cancer cell)? You know that tumors can grow very fast. Is that because of changes in the cell cycle of an individual cancer cell or changes in the whole group of cancer cells? Do you think that a cancer cell goes through its cell cycle faster, slower, or at the same rate as a normal cell?

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6 , 7 , 8
Date Created:
Feb 23, 2012
Last Modified:
Apr 29, 2014
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CK.SCI.ENG.TE.1.Human-Biology-Lives-of-Cells.6.2