Cell Structure and Transport Practice Questions

Front

What do prokaryotic and eukaryotic cells have in common?

Back

They both have DNA.

Front

What is a hypertonic solution?

Back

A solution that has a higher concentration of solutes compared to the inside of the cell, causing water to move out of the cell.

Front

What is exocytosis?

Back

The process by which a cell expels unwanted particles by forming a vesicle around them and releasing it outside the cell.

Front

What is the hydrophobic region of the cell membrane?

Back

The part of the cell membrane that repels water, typically made up of fatty acid tails.

Front

Which structures are NOT found in animal cells?

Back

Chloroplasts and cell wall.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What are organelles?

Back

Specialized structures within a cell that perform distinct processes.

Front

What is the role of mitochondria?

Back

To produce energy (ATP) through cellular respiration.