Sem 2 Plasma membrane

Plasma membrane is present in

• All cells

• Prokaryote cell

• Eukaryote cell

• Viruses

Plasma membrane consists of

• Lipids

• Proteins

• Lipids and proteins

• Lipids, proteins and carbohydrates

Plasma membrane is

• a component of the nucleus
• a biological membrane that separates the interior of all cells from the outside environment
• a structure found only in animal cells
• a type of plant cell wall

Proteins which are present embedded in lipid layer are called as

• Cytoplasmic membrane proteins
• Nucleic membrane proteins
• Peripheral membrane proteins
• Integral membrane proteins

Which of the following is true about the plasma membrane?

• It is a component of the nucleus

• It is a biological membrane that separates the interior of all cells from the outside environment

• It is a structure found only in animal cells

• It is a type of plant cell wall

What is the main function of the plasma membrane?

• Regulating the passage of substances in and out of the cell

• Providing structural support to the cell

• Producing energy for the cell

• Storing genetic material

Which of the following is a characteristic of the plasma membrane?

• It is permeable to all substances

• It is a rigid structure

• It is selectively permeable

• It is only present in plant cells

Draw the diagram of plasma membrane

Where is the plasma membrane found?

• In all cells

• In prokaryotic cells

• In eukaryotic cells

• In viruses