Chapter 3 Cells

Front

What is the function of cholesterol in the plasma membrane?

Back

Cholesterol stabilizes the plasma membrane and makes it less flexible.

Front

What type of transport is used to move amino acids into the cell?

Back

Facilitated diffusion is used to move amino acids into the cell.

Front

Which organelle is responsible for modifying, packaging, and exporting proteins?

Back

The Golgi body is responsible for modifying, packaging, and exporting proteins.

Front

What is an integral protein?

Back

An integral protein is a type of membrane protein that is permanently attached to the biological membrane.

Front

What is the role of the rough endoplasmic reticulum?

Back

The rough endoplasmic reticulum is involved in the synthesis of proteins.

Front

What is the primary function of the smooth endoplasmic reticulum?

Back

The smooth endoplasmic reticulum is involved in lipid synthesis and detoxification.

Front

Define facilitated diffusion.

Back

Facilitated diffusion is the process of transporting molecules across a membrane via protein channels without energy.

Front

What are phospholipids?

Back

Phospholipids are molecules that make up the cell membrane, consisting of a hydrophilic head and two hydrophobic tails.

Front

What is the function of carbohydrates in the plasma membrane?

Back

Carbohydrates serve as recognition sites for cell signaling and communication.

Front

What is the role of ribosomes in the cell?

Back

Ribosomes are responsible for protein synthesis.