Unit 3 Review

Front

What is glucose?

Back

Glucose is a sugar, a type of carbohydrate, and a source of quick energy.

Front

What does aerobic respiration require that anaerobic respiration does not?

Back

Aerobic respiration requires oxygen.

Front

Why is the shape of an enzyme important?

Back

The shape of an enzyme is important because a specific substrate needs to fit perfectly into its activation site.

Front

What does a food web represent?

Back

A food web represents all connections of energy flow throughout all organisms in a habitat.

Front

Which organisms perform photosynthesis?

Back

Only autotrophs perform photosynthesis.

Front

Define autotrophs.

Back

Autotrophs are organisms that produce their own food, typically through photosynthesis.

Front

Define heterotrophs.

Back

Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions in the body.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen, while anaerobic respiration does not.

Front

What is a substrate in the context of enzyme activity?

Back

A substrate is the specific reactant that an enzyme acts upon.