Cell Structure and Function Concepts

The video tutorial covers the structure and function of cells, starting with a definition of the cell as the basic unit of life. It provides examples of different cell types, such as amoeba, plant stem, and bacteria. The tutorial distinguishes between prokaryotic and eukaryotic cells, highlighting their unique features. It delves into the structure and function of the cell membrane and nucleus, followed by a detailed discussion on various organelles like ribosomes, endoplasmic reticulum, golgi body, mitochondria, lysosome, cytoskeleton, centrioles, cell wall, chloroplast, and vacuole.

What is the basic unit of life that can perform all life functions?

• Organism

• Cell

• Organ

• Tissue

Which of the following is NOT a characteristic of prokaryotic cells?

• Lack of organelles

• Smaller size compared to eukaryotic cells

• Presence of a nucleus

• Presence of ribosomes

What is the primary function of the cell membrane?

• To synthesize proteins

• To store genetic information

• To control movement of substances in and out of the cell

• To produce energy

Where is the DNA located in a eukaryotic cell?

• Cytoplasm

• Nucleoid region

• Ribosome

• Nucleus

Which organelle is responsible for protein synthesis?

• Mitochondria

• Ribosome

• Golgi apparatus

• Lysosome

What is the function of the Golgi apparatus?

• To modify, sort, and package proteins

• To break down glucose

• To produce ribosomes

• To store water

Which organelle is known as the powerhouse of the cell?

• Chloroplast

• Mitochondria

• Endoplasmic reticulum

• Lysosome

What is the primary function of lysosomes?

• Protein synthesis

• Energy production

• Photosynthesis

• Digestion of cellular waste

Which structure provides support and protection in plant cells?

• Cell wall

• Cell membrane

• Cytoskeleton

• Vacuole

What is the main role of chloroplasts in plant cells?

• Protein synthesis

• Cellular respiration

• Photosynthesis

• Lipid production