Explain the roles of enzymes in biochemical equations under the following headings: 1. Diagnosis of HPV 2. Changing blood type 3. Analyzing biochemicals 4. Wound healing 5. Correcting...

Explain the roles of enzymes in biochemical equations under the following headings:

1. Diagnosis of HPV

2. Changing blood type

3. Analyzing biochemicals

4. Wound healing

5. Correcting digestion

6. Augmenting surgery

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enginr | College Teacher | (Level 1) Assistant Educator

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Enzymes are proteins produced by cells which catalyze biochemical reactions. The uses of enzymes are many and varied. Some examples are below.

1. Diagnosis of HPV

The initial diagnosis of HPV may be done visually by a doctor. However, it is useful to know which strain of the virus is present. Different strains of the virus can be identified using a PCR (polymerase chain reaction) test. Polymerase is an enzyme that syntheses DNA which is a crucial component of a PCR test.

2. Changing blood type

Antigens present on the surface of red blood cells determine blood type. Some enzymes remove these antigens. If all the A antigens were cleaved from a sample of Type A blood, the blood would become Type O. 

3. Analyzing biochemicals

Many biochemicals are isolated from cells taken from tissue samples. Cells must be separated from the extracellular matrix of the tissue sample gently before they can be analysed further. Trypsin and collagenase are two enzymes used in this process.

4. Wound healing

Dozens of enzymes play a role in wound healing. Enzymes expression levels increase dramatically in response to a wound compared to healthy tissue.

5. Correcting digestion

Enzymes play an important role in breaking down food during digestion. Some people may have decreased digestion and can take enzymes such as protease or lipase in the form of a pill.

5. Augmenting surgery

Fibrin glue is used extensively in surgery. This glue is composed of fibrinogen. The enzyme thrombin converts fibrinogen into fibrin. The resulting fibrin clot is what forms the 'glue'.

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