Cellular Structure and Function

Front

membrane-bound structure with special functions within eukaryotic cells

Back

Organelle

Front

Boundary that helps control what enters and leaves a cell

Back

plasma membrane

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have organelles, while eukaryotic cells have organelles.

Front

protein that moves needed substances or waste materials through the plasma membrane into or out of the cell

Back

transport protein

Front

A key property of the plasma membrane that allows some molecules to pass through while keeping others out.

Back

Selective permeability

Front

Net movement of particles from an area of high concentration to an area of low concentration.

Back

Diffusion

Front

What is the difference between active and passive transport?

Back

Active transport requires energy to move substances across a cell membrane, while passive transport does not require energy.

Front

The environment inside the plasma membrane is a semifluid material called

Back

cytoplasm

Front

What is the organelle that makes proteins?

Back

Ribosomes

Front

This organelle is a flattened stack of membranes that modifies, sorts, and packages proteins.

Back

Golgi apparatus