Cell Structure and Function Concepts

The video provides an overview of cell structure, including the cell membrane, nucleus, cytoplasm, and organelles. It explains the functions of different cell components, such as the selective permeability of the cell membrane, the genetic role of the nucleus, and the energy production in mitochondria. The video also covers the process of photosynthesis in plastids, highlighting the importance of chloroplasts in converting light energy into chemical energy.

What is the basic structural and functional unit of all living organisms?

• Organ

• Tissue

• Organ System

• Cell

Which type of organism consists of a single autonomous cell?

• Organ

• Tissue

• Unicellular

• Multicellular

What is the main function of the plasma membrane?

• To synthesize proteins

• To act as a barrier and regulate the flow of substances

• To provide energy

• To store genetic information

What are the main components of the plasma membrane?

• Vitamins and enzymes

• Water and minerals

• Carbohydrates and nucleic acids

• Proteins and lipids

Where is the nucleus usually located in animal cells?

• In the center

• Near the cell membrane

• At the periphery

• In the cytoplasm

What is the primary role of the nucleus in a cell?

• Energy production

• Transporting substances

• Protein synthesis

• Storing genetic information

What is the main function of the cytoplasm?

• To store genetic information

• To provide structural support and facilitate chemical interactions

• To synthesize proteins

• To regulate the flow of substances

What is the primary component of the cytoplasm?

• Carbohydrates

• Water

• Proteins

• Lipids

Which organelle is responsible for energy production in the cell?

• Nucleus

• Ribosome

• Mitochondria

• Golgi complex

What is the function of ribosomes in the cell?

• Protein synthesis

• Storing genetic information

• Energy production

• Regulating the flow of substances