Cell Structure and Function

What is the function of channel proteins in the cell membrane?

• Produce ATP
• Store genetic information
• Carry out photosynthesis
• Allow specific ions or molecules to pass through

What is the term for the passive movement of water across a selectively permeable membrane?

• Diffusion
• Facilitated diffusion
• Active transport
• Osmosis

What kind of transport requires energy input from the cell?

• Passive transport
• Simple diffusion
• Osmosis
• Active transport

What is the primary function of the plasma membrane?

• Producing ATP
• Storing genetic material
• Synthesizing proteins
• Regulating the movement of substances in and out of the cell

What helps in the secretion of cellular products like enzymes and hormones?

• Endocytosis
• Osmosis
• Facilitated diffusion
• Exocytosis