Cell Structure Flashcard Academic

Front

What is the primary structural component of the cell membrane?

Back

Lipid Bilayer

Front

What is the structure of a lipid bilayer?

Back

Hydrophobic tails are inside, protected by hydrophilic heads on outside.

Front

What characteristic do proteins involved in facilitated diffusion have?

Back

They are specific or picky about what molecule they bind to.

Front

What is passive transport?

Back

Movement of substances across a cell membrane without using energy.

Front

What is a concentration gradient?

Back

A difference in concentration.

Front

What role do carbohydrates play in the cell membrane?

Back

They are involved in cell recognition and signaling.

Front

What is the function of cholesterol in the cell membrane?

Back

It helps to stabilize the membrane's fluidity.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy, while passive transport does not.

Front

What is osmosis?

Back

The movement of water across a selectively permeable membrane.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.