Digestion (Core)Stephen Taylor

i-Biology.net

Assessment Statements Obj.

6.1.1 Explain why digestion of large food molecules is essential. 3

6.1.2 Explain the need for enzymes in digestion. 3

6.1.3 State the source, substrate, products and optimum pH conditions for one amylase, one protease and one lipase. 1

6.1.4 Draw and label a diagram of the digestive system. 1

6.1.5 Outline the functions of the stomach, small intestine and large intestine. 2

6.1.6 Distinguish between absorption and assimilation. 2

6.1.7 Explain how the structure of the villus is related to its role in absorption and transport of products of digestion. 3

Assessment statements from: Online IB Biology Subject GuideCommand terms: http://i-biology.net/ibdpbio/command-terms/

What connections can you make with other topics?

Digestion

Enzymes review:

• What type of biological molecule is an enzyme?

• How do enzymes work?

• How are enzymes produced through protein synthesis?

• What are the effects of temperature, pH and substrate concentration on the rate of enzyme activity?

• How are immobilized enzymes used in the production of lactose-free milk?

http://www.northland.cc.mn.us/biology/biology1111/animations/enzyme.html

http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter26/animation__organs_of_digestion.html

http://www.youtube.com/watch?v=Uzl6M1YlU3w

http://www.youtube.com/watch?v=bNMsNHqxszc

http://www.youtube.com/watch?v=jsVgi8hoFFc

http://www.youtube.com/watch?v=P1sDOJM65Bc

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