Cells - Overview & Introduction

The video explains that all living things are made of cells, the basic units of life. Cells are classified into prokaryotic, which lack a nucleus, and eukaryotic, which have a nucleus. The video describes cell structures like the nucleus, cytoplasm, and cell membrane, and explains the difference between unicellular and multicellular organisms. It also covers cellular differentiation and how cells form tissues, organs, and organ systems.

What are cells often referred to as due to their fundamental role in life?

• The simplest forms of life

• The largest units of life

• The basic building blocks of life

• The smallest units of matter

Which type of cell lacks a true nucleus?

• Eukaryotic cells

• Animal cells

• Prokaryotic cells

• Plant cells

What is the primary function of the nucleus in a eukaryotic cell?

• To contain the cell's DNA

• To store nutrients

• To provide energy

• To protect the cell

Which organisms typically have a tough outer cell wall?

• Insects

• Birds

• Animals

• Fungi

What process allows cells in multicellular organisms to develop into different types?

• Cellular differentiation

• Photosynthesis

• Cell division

• Metabolism