πŸ“Š Biology
Q. Biological catalysts are protein molecules which
1. speed up a chemical reaction
2. remain unchanged after reaction
3. function optimally at 37 deg C.
4. do not have an enzymatic activity
Select the correct answer using the code given below.
  • (A) 1 only
  • (B) 1, 2 and 3
  • (C) 2 and 3 only
  • (D) 1, 3 and 4
βœ… Correct Answer: (B) 1, 2 and 3

Explanation: Enzymes are biological catalysts. Enzymes are the catalysts involved in biological chemical reactions.

A fundamental task of proteins is to act as enzymes—catalysts that increase the rate of virtually all the chemical reactions within cells.

A catalyst remains chemically unchanged itself at the end of a reaction.

Each enzyme has a temperature that it works optimally in, which in humans is around 98.6 degrees Fahrenheit, 37 degrees Celsius –the normal body temperature for humans.

Explanation by: Prashant
Enzymes are biological catalysts. Enzymes are the catalysts involved in biological chemical reactions.

A fundamental task of proteins is to act as enzymes—catalysts that increase the rate of virtually all the chemical reactions within cells.

A catalyst remains chemically unchanged itself at the end of a reaction.

Each enzyme has a temperature that it works optimally in, which in humans is around 98.6 degrees Fahrenheit, 37 degrees Celsius –the normal body temperature for humans.

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