Africa Storyline Lion Summative

Front

What are the four main elements found in proteins?

Back

Carbon, Hydrogen, Oxygen, and Nitrogen.

Front

Can plants and animals use nitrogen directly from the air?

Back

No, they cannot.

Front

How do plants obtain their nitrogen needs according to nitrogen-fixing bacteria?

Back

Plants obtain nitrogen through symbiotic relationships with nitrogen-fixing bacteria.

Front

What macromolecule is composed only of carbon, hydrogen, and oxygen?

Back

Carbohydrate.

Front

What is the primary function of proteins in living organisms?

Back

Proteins serve as building blocks for tissues, enzymes, and hormones.

Front

What is the process by which nitrogen is converted into a usable form for plants?

Back

Nitrogen fixation.

Front

What role do nitrogen-fixing bacteria play in the nitrogen cycle?

Back

They convert atmospheric nitrogen into ammonia, which plants can use.

Front

What are the three main types of macromolecules?

Back

Carbohydrates, Proteins, and Lipids.

Front

What is the significance of carbohydrates in living organisms?

Back

Carbohydrates provide energy and serve as structural components.

Front

What is the difference between essential and non-essential amino acids?

Back

Essential amino acids must be obtained from the diet, while non-essential amino acids can be synthesized by the body.