cell membrane transport

Front

What is embedded in the phospholipid bilayer?

Back

Proteins are embedded in the phospholipid bilayer, playing crucial roles in transport, signaling, and structural support.

Front

What type of solution is a cell in when it has the same concentration of solutes as its surroundings?

Back

Isotonic solution: A solution where the concentration of solutes is equal inside and outside the cell, resulting in no net movement of water.

Front

How does diffusion occur?

Back

Diffusion is the process where particles move from an area of high concentration to an area of low concentration, driven by the concentration gradient.

Front

What is Facilitated Diffusion?

Back

Facilitated Diffusion is a type of passive transport that uses protein channels to help move molecules across the cell membrane without energy.

Front

What does hydrophilic mean?

Back

Hydrophilic means 'water-loving', referring to substances that can interact well with water.

Front

What is the role of the cell membrane?

Back

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

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

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 require energy.

Front

What is a hypertonic solution?

Back

A hypertonic solution has a higher concentration of solutes compared to the inside of the cell, causing water to leave the cell.

Front

What is a hypotonic solution?

Back

A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, causing water to enter the cell.