Cells & Organelles

Front

What organelle controls central activity and protects the DNA?

Back

Nucleus: The nucleus is the organelle that houses the cell's genetic material (DNA) and regulates all cellular activities.

Front

Who was the first scientist to observe bacteria?

Back

Anton van Leeuwenhoek: He is known for his pioneering work in microscopy and was the first to observe and describe bacteria.

Front

What are all living things made up of?

Back

Cells: Cells are the basic structural and functional units of all living organisms.

Front

Where do all cells come from?

Back

Pre-existing cells: This principle states that all cells arise from the division of existing cells.

Front

What are cells often referred to as?

Back

Building blocks of life: Cells are considered the fundamental units that make up all living organisms.

Front

What is the function of ribosomes?

Back

Ribosomes are the organelles responsible for protein synthesis in the cell.

Front

What is the role of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell, maintaining homeostasis.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

Front

What is the purpose of the cell wall?

Back

The cell wall provides structural support and protection to plant cells, maintaining their shape.