Chapter 4 Enzymes Crossword Puzzle (teacher)
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Chapter 4: ENZYMES Name: ______________________ (
)
Date: _______
Class: ______
1
Chapter 4: ENZYMES Across 4. Some enzymes require another compound called a COENZYME to be bound to them before they can catalyse reactions. 5. The substance on which the enzymes act is called a SUBSTRATE. 7. The LOCK and key hypothesis explains how enzymes work. 8. Enzymes are INACTIVE at very low temperatures. 9. Enzymes are very POTENT. They remain unchanged at the end of the reaction. The same enzyme molecule can be reused and a small amount of enzymes can bring about a large amount of chemical reactions. 10. Enzymes are DENATURED at very high temperatures.
Down 1. Any factor that directly affects the rate of reaction if its quantity is changed is called a LIMITING factor. 2. The best temperature at which enzymes work is called the OPTIMUM temperature. 3. Enzymes are made of PROTEIN. 4. An enzyme is a biological CATALYST which can alter or speed up a chemical reaction, without itself being chemically changed at the end of the reaction. 6. Lipids bind at the ACTIVE site of lipase. 11. Salivary AMYLASE digests starch.
2
)
Date: _______
Class: ______
1
Chapter 4: ENZYMES Across 4. Some enzymes require another compound called a COENZYME to be bound to them before they can catalyse reactions. 5. The substance on which the enzymes act is called a SUBSTRATE. 7. The LOCK and key hypothesis explains how enzymes work. 8. Enzymes are INACTIVE at very low temperatures. 9. Enzymes are very POTENT. They remain unchanged at the end of the reaction. The same enzyme molecule can be reused and a small amount of enzymes can bring about a large amount of chemical reactions. 10. Enzymes are DENATURED at very high temperatures.
Down 1. Any factor that directly affects the rate of reaction if its quantity is changed is called a LIMITING factor. 2. The best temperature at which enzymes work is called the OPTIMUM temperature. 3. Enzymes are made of PROTEIN. 4. An enzyme is a biological CATALYST which can alter or speed up a chemical reaction, without itself being chemically changed at the end of the reaction. 6. Lipids bind at the ACTIVE site of lipase. 11. Salivary AMYLASE digests starch.
2
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