Biology - Chemicals of Life and Cellular Structure

Front

What are the functions of water in animals?

Back

Water acts as a reactant, medium for chemical reactions, medium of transport, cooling agent, component of lubricant, and provides support.

Front

How is water used in plants?

Back

Water is crucial for photosynthesis and acts as a cooling agent and medium for transport.

Front

What is the role of nitrate ions in plants?

Back

Nitrate ions are a source of nitrogen which is essential for the synthesis of proteins.

Front

What is the function of magnesium in plants?

Back

Magnesium is a component of chlorophyll and activates some enzymes.

Front

What is the function of iron in animals?

Back

Iron is a component of haemoglobin in red blood cells and activates some enzymes.

Front

What are the functions of calcium in animals?

Back

Calcium is important for bone and teeth structure, blood clotting, muscle contraction, and nerve messaging.

Front

What is the function of phosphate in both animals and plants?

Back

Phosphate is a component of bones, teeth, phospholipids, and nucleic acids.

Front

What are the main types of organic biomolecules?

Back

Carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the role of carbohydrates in organisms?

Back

Carbohydrates provide energy, store energy, and are structural components (e.g., cellulose in plant cell walls).

Front

What roles do lipids play in organisms?

Back

Lipids act as energy reserves, insulate against heat loss, protect organs, and are components of cell membranes.