Front

What is pepsin and what is its optimal pH for activity?

Back

Pepsin is an enzyme produced in the stomach that helps digest proteins. Its optimal pH for activity is around 2.

Front

What type of macromolecule provides the quickest source of energy for athletes?

Back

Carbohydrates provide the quickest source of energy for athletes.

Front

At what temperature is enzyme D most likely to be denatured?

Back

Enzyme D is most likely to be denatured at 89°C.

Front

What is the reaction called that forms a polymer from two monomers?

Back

The reaction is called dehydration synthesis.

Front

What elements are all carbohydrates composed of?

Back

All carbohydrates are composed of carbon, hydrogen, and oxygen.

Front

Define dehydration synthesis in the context of organic molecules.

Back

Dehydration synthesis is a chemical reaction that involves the joining of two molecules with the removal of water, forming a larger molecule.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts that speed up chemical reactions in biological systems without being consumed in the process.

Front

What happens to enzyme activity as temperature increases?

Back

Enzyme activity typically increases with temperature up to a certain point, after which it may decrease due to denaturation.

Front

What is denaturation in the context of enzymes?

Back

Denaturation is the process in which an enzyme loses its functional shape due to extreme conditions, such as high temperature or pH.

Front

What are the three main types of macromolecules?

Back

The three main types of macromolecules are carbohydrates, proteins, and lipids.