CELL STRUCTURE AND FUNCTION: SUBCELLULAR COMPONENTS Quiz

What is the main function of the cell membrane?

• Maintain cell shape

• Regulate the movement of substances

• Produce energy

• Store genetic material

Describe the structure of the cell membrane.

• Made up of only proteins with no lipids

• Composed of a single layer of carbohydrates

• Consists of a rigid structure with no flexibility

• Composed of a phospholipid bilayer with embedded proteins and cholesterol

What is the primary function of mitochondria in a cell?

• Producing energy

• Producing oxygen

• Regulating cell growth

• Storing genetic material

Explain how mitochondria produce energy for the cell.

• By absorbing nutrients from the surrounding environment

• Through cellular respiration and the production of ATP

• By breaking down carbohydrates in the cytoplasm

• By converting sunlight into energy through photosynthesis

What is the role of endoplasmic reticulum in protein synthesis?

• Produces ATP for cellular respiration

• Provides a site for ribosomes to attach and synthesize proteins

• Regulates cell division

• Stores energy for the cell

Describe the difference between rough endoplasmic reticulum and smooth endoplasmic reticulum.

• Presence of mitochondria

• Presence of ribosomes on the surface

• Different coloration

• Varying size

What is the function of the Golgi apparatus in a cell?

• Modifying, sorting, and packaging proteins and lipids

• Regulating cell growth and division

• Producing energy for the cell

• Storing genetic information

Explain the process of protein packaging in the Golgi apparatus.

• Proteins are packaged in the Golgi apparatus through photosynthesis

• Proteins are packaged in the Golgi apparatus through diffusion

• Proteins are packaged in the Golgi apparatus by the endoplasmic reticulum

• Proteins are modified and packaged in the Golgi apparatus through a series of steps including glycosylation, sorting, and packaging into vesicles.

What are folded membranes and how are they important in cell function?

• Folded membranes are important in cell function because they decrease surface area for various cellular processes.

• Folded membranes are important in cell function because they only exist in plant cells, not in animal cells.

• Folded membranes are not important in cell function and do not play any role in cellular processes.

• Folded membranes are important in cell function because they increase surface area for various cellular processes.

Provide an example of a folded membrane structure and its function in a cell.

• Ribosomes

• Nucleus

• Golgi Apparatus

• Mitochondria