Biomolecules, Cells & Transport

Front

What type of cells are plants and animal cells classified as?

Back

Eukaryotic cells.

Front

How do enzymes facilitate chemical reactions in biological systems?

Back

They decrease the activation energy required for the reaction.

Front

What role does a competitive inhibitor play in enzyme activity?

Back

It prevents a substrate from binding to the enzyme.

Front

Which organelle is responsible for energy production in cells?

Back

Mitochondria.

Front

What is a key characteristic of active transport in cells?

Back

It requires energy to move substances against their concentration gradient.

Front

What are the main components of a cell membrane?

Back

Phospholipids, proteins, cholesterol, and carbohydrates.

Front

What is the function of ribosomes in a cell?

Back

They are responsible for protein synthesis.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What is osmosis?

Back

The movement of water across a selectively permeable membrane.

Front

What is the function of lysosomes in a cell?

Back

They contain enzymes that break down waste materials and cellular debris.