Cell Unit Remediation

Front

What is a bacterium?

Back

A bacterium is a single-celled organism that lacks a nucleus and membrane-bound organelles, classified as prokaryotic.

Front

What is a protist?

Back

A protist is a diverse group of mostly single-celled organisms that have a nucleus and are classified as eukaryotic.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

Is osmosis active or passive transport?

Back

Osmosis is passive transport because it does not require energy.

Front

What is endocytosis?

Back

Endocytosis is the process by which cells engulf substances from their external environment, bringing them into the cell.

Front

What is exocytosis?

Back

Exocytosis is the process by which cells expel materials to the outside environment, often involving the fusion of vesicles with the cell membrane.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, providing protection and structural support.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

Front

Why do cells need to maintain homeostasis?

Back

Cells need to maintain homeostasis to ensure stable internal conditions, which is essential for proper functioning and survival.

Front

What role does water play in cellular processes?

Back

Water is crucial for various cellular processes, including chemical reactions, nutrient transport, and temperature regulation.