Cell Organelles

Front

What is the function of the nucleus?

Back

Structure that contains DNA and directs the cell.

Front

What organelle is known as the "powerhouse" of the cell?

Back

Mitochondria.

Front

What is the cell membrane?

Back

A double layer of phospholipids that creates a barrier between the cell's internal and external environments; it controls what comes in or out of the cell (selectively permeable).

Front

What organelle is responsible for eliminating waste?

Back

Lysosome.

Front

What is the cell wall?

Back

A rigid layer that lies outside the cell's membrane.

Front

What is the function of mitochondria?

Back

To produce energy (ATP) through cellular respiration.

Front

What is the role of lysosomes in a cell?

Back

To digest and break down waste materials and cellular debris.

Front

What is the endoplasmic reticulum (ER)?

Back

An organelle that helps in the synthesis of proteins and lipids.

Front

What is the difference between rough and smooth ER?

Back

Rough ER has ribosomes on its surface and is involved in protein synthesis, while smooth ER lacks ribosomes and is involved in lipid synthesis.

Front

What are ribosomes?

Back

Molecular machines that synthesize proteins by translating messenger RNA.