2.1 health in the 21 st century pg 29-32. objectives gain an understanding of the cholera bacterium...

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2.1 Health in the 21 st Century Pg 29-32

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Page 1: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

2.1 Health in the 21st Century

Pg 29-32

Page 2: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Objectives

• Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the spread.

• Describe low tech solutions to preventing outbreaks.

• Define epidemiology and terms associated with it.

Page 3: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Page 4: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

From Aug 2008 to Jan 2009 there were over 40,000 confirmed cases of cholera in Zimbabwe. Over 2,000 of those were fatal.

http://www.telegraph.co.uk/news/worldnews/africaandindianocean/zimbabwe/4228239/Zimbabwe-cholera-epidemic-kills-2000.html

Page 5: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Spread of Cholera

• Carried in water by small animals called copepods and in their egg sacks.

• Burst from the egg sacks when the copepod hatches and feed on the egg shell.

Page 6: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Low Tech Solution

Page 7: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Bacterium Cholera still affects people around the world.

Page 8: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Now for a positive note…

• Epidemiology – the study of how diseases spread.– Ex: Rita Colwell studied the spread of the

pathogen cholera.

• Vaccines – used to increase resistance to infection by a disease by injecting genetic information from a dead or weakened pathogen into a host (that’s you).

Page 9: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Genetics and Treating Diseases

• Genetics – the science of heredity– Gives insights into how a disease can be

prevented, cured, or fought based on its genome.

• Genome – the complete set of genetic information for an organism.

Page 10: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Page 11: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

2.2 Biology, Technology, and Society

Pg 33-37

Page 12: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Objectives

• Describe how genetic engineering affects our lives.

• List new ways that biotechnology has provided for scientists to study biological processes.

• Apply ethics to biotechnology.

Page 13: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Topics Today:

• Biotechnology and Scientific Research• Nanotechnology• Biomolecular Materials• Biomimetics• Adapting Tools and Methods• Public Safety• Ethics of Biotechnology

Page 14: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Genetic Engineering

• A technology in which the genetic material of a living cell is changed.

Page 15: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Biotechnology and Scientific Research

• Fruit flies and alcoholism?• Insulin and bacteria?

Page 16: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Nanotechnology

• Repairing damaged body tissue.• Administering medication.

Page 17: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Biomolecular Materials

• Bacteria, rocks, and rivers• Spiders and clothing

Page 18: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Biomimetics

• Velcro and burrs• Lobster-Eye telescope

Page 19: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Tools and Methods

• Computerized axial tomography (CAT) scanner.

Page 20: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Biometrics

Page 21: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

Issues or problems?

• What are some possible ethical issues with genetic engineering or with recording biological information about a person?

Page 22: 2.1 Health in the 21 st Century Pg 29-32. Objectives Gain an understanding of the cholera bacterium and how it spreads as well as efforts to stop the

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