Components of a Cell: An Introduction

The video tutorial explains the fundamental role of cells as the basic units of life. It covers the differences between animal and plant cells, focusing on components like the cell membrane, cell wall, and cytoplasm. The cell membrane is described as a semi-permeable barrier, while the cell wall provides rigidity to plant cells. The cytoplasm is highlighted as a medium for transportation and a holder of organelles. The tutorial concludes with an exercise to label cell components.

What is considered the basic unit of life?

• Organs

• Tissues

• Cells

• Molecules

Which of the following is a function performed by both cells and organisms?

• Photosynthesis

• Excretion

• Digestion

• Respiration

What is the primary function of the cell membrane?

• To produce proteins

• To store genetic information

• To control the entry and exit of substances

• To provide energy

What type of membrane allows only certain substances to pass through?

• Permeable membrane

• Impermeable membrane

• Non-permeable membrane

• Semi-permeable membrane

Which component is unique to plant cells and provides structural support?

• Cell membrane

• Cytoplasm

• Cell wall

• Nucleus

What is the main component of the cell wall in plant cells?

• Chitin

• Cellulose

• Keratin

• Collagen

What is the role of cytoplasm in a cell?

• To control cell division

• To store DNA

• To facilitate transportation and hold organelles

• To produce energy