enzymes xx

Question 1

what are enzymes?

Answer 1

biological catalyst - speed up rate of reaction

Question 2

what does enzymes being present in many reactions mean?

Answer 2

they can be controlled

Question 3

what can enzymes do?

Answer 3

• break up large molecules and join small ones
• protein molecules and the shape of the enzyme is vital to its function
• each enzyme has its own uniquely shaped active site where the substrate binds

Question 5

whats lock and key hypothesis?

Answer 5

1. shape of the substrate is complementary to the shape of active site, when they bond it forms enzyme - substrate complex
2. once bound the reaction takes place and products are released from surface of the enzyme