Exploring Cell Structure and Functions

The video tutorial introduces cell structure, explaining that cells are the basic units of life. It covers the cell theory and distinguishes between prokaryotic and eukaryotic cells. Prokaryotic cells, like bacteria, are simple and lack a nucleus, while eukaryotic cells, found in plants and animals, are complex with a defined nucleus. The video details cell components such as the membrane, mitochondria, ribosomes, nucleus, cytoplasm, and lysosomes, describing their functions. It concludes with a summary and encourages viewers to engage with the content.

What is the smallest functional and structural unit of an organism?

• Tissue

• Organ

• Molecule

• Cell

According to cell theory, from where do new cells arise?

• Spontaneous generation

• Pre-existing cells

• Chemical reactions

• Non-living matter

Which type of cell lacks a nucleus?

• Eukaryotic

• Plant

• Prokaryotic

• Animal

What is the function of flagella in prokaryotic cells?

• To synthesize proteins

• To help the cell move

• To produce energy

• To store DNA

Which type of cell is typically larger and more complex?

• Bacterial

• Viral

• Prokaryotic

• Eukaryotic

What is the primary function of the cell membrane?

• To produce energy

• To control cell division

• To regulate the entry and exit of substances

• To store genetic information

Where does the cell get its energy from?

• Lysosomes

• Mitochondria

• Ribosomes

• Nucleus

What is the role of ribosomes in the cell?

• To produce proteins

• To provide structural support

• To store DNA

• To clean up waste

Which organelle is considered the 'brain' of the cell?

• Lysosomes

• Mitochondria

• Ribosomes

• Nucleus

What is the main function of lysosomes?

• To store genetic information

• To produce energy

• To synthesize proteins

• To clean up waste