Type of essential organic compound that is used for structure and support as well as acting as catalysts. a. proteins b. carbohydrates c. nucleic acids d. lipids

Proteins are used for structure and support as well as acting as catalysts.

Explanation:

Enzymes are a type of protein called catalysts. Its function is to accelerate chemical reactions without modifying, which means that it can be used, again and again.

The carbohydrates represent the cell's energy source while lipids serve as an energy reserve. The nucleic acids constitute the fundamental repository of genetic information, especially DNA

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.