Cell Membrane

Front

What are the two parts of a phospholipid?

Back

Hydrophilic Head and Hydrophobic Tail.

Front

What does it mean for the cell membrane to be selectively permeable?

Back

Certain things can enter while others cannot.

Front

What type of fatty acid tails face each other in a lipid bilayer?

Back

Hydrophobic fatty acid tails.

Front

What are the functions of proteins in the cell membrane?

Back

1.) Act like gatekeepers, allowing certain things in. 2.) Serve as enzyme receptors embedded in the membrane.

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

Proteins.

Front

What is the main structural component of the cell membrane?

Back

Phospholipid bilayer.

Front

What is the role of cholesterol in the cell membrane?

Back

To maintain fluidity and stability of the membrane.

Front

Define hydrophilic.

Back

Having an affinity for water; able to interact with water.

Tags

NGSS.HS-ESS2-5

Front

Define hydrophobic.

Back

Repelling water; not able to interact with water.

Front

What is the function of carbohydrates in the cell membrane?

Back

To serve as recognition sites for cell signaling and communication.