Unit 3: Energy

Front

What is a substance called if it speeds up a chemical reaction?

Back

Catalyst

Front

What type of reaction releases energy?

Back

Exothermic reaction

Front

Which type of consumer eats meat only?

Back

Carnivores

Front

What happens when enzymes are heated to a high temperature?

Back

The shape of the enzyme changes and it denatures.

Front

What is the optimal temperature for enzyme activity based on a graph?

Back

30°C

Front

Define exothermic reaction.

Back

A reaction that releases energy in the form of heat.

Front

Define endothermic reaction.

Back

A reaction that absorbs energy from its surroundings.

Front

What is denaturation in enzymes?

Back

The process where the enzyme's structure is altered, affecting its function.

Front

What role do enzymes play in chemical reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed.

Front

What is the difference between a carnivore and an herbivore?

Back

Carnivores eat meat, while herbivores eat plants.