Enzymes

1.

An enzyme is a protein that catalyses a specifin reaction in the body. It does this by reducing the ________ ______ needed for a reaction to occur.
2.

Enzymes lower the amount of energy needed for a reaction to occur. This means that reactions can take place at _____ __________ and atmospheric _______.
3.

Enzymes are globular proteins with a highly specific ______ ________.
- A.
  
  Primary structure
- B.
  
  Secondary structure
- C.
  
  Tertiary structure
- D.
  
  Quaternary structure
Correct Answer
C. Tertiary structure
4.

Enzymes have a particular place within them called the _____ _____. This is exactly the right shape for one specific _______ to fit in.

Correct Answer
active site substrate
5.

When the substrate is in the active site, it forms an _____-_____ _______.

Correct Answer
enzyme substrate complex, enzyme-substrate complex
6.

Enzymes are described as biological _______.

Correct Answer
catalysts
7.

Optimum temperature of most enzymes is around....? (degrees celcius)
- A.
  
  30
- B.
  
  40
- C.
  
  45
- D.
  
  50
Correct Answer
B. 40

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