Biology Midterm Review

Front

What are the main components of a cell membrane?

Back

Phospholipids, Proteins, Cholesterol.

Front

Which of the following is NOT a macromolecule?

Back

Salts.

Front

What is the primary function of the nucleus in a eukaryotic cell?

Back

Storing genetic information.

Front

What type of cell contains a rough endoplasmic reticulum?

Back

Eukaryotic.

Front

What type of cell is characterized by the absence of a nucleus?

Back

Prokaryote.

Front

Define a eukaryotic cell.

Back

A cell that has a nucleus and membrane-bound organelles.

Front

Define a prokaryotic cell.

Back

A cell that lacks a nucleus and membrane-bound organelles.

Front

What is the function of proteins in the cell membrane?

Back

Proteins assist in transport, communication, and structural support.

Front

What role do phospholipids play in the cell membrane?

Back

They form a bilayer that acts as a barrier to protect the cell.

Front

What is the function of cholesterol in the cell membrane?

Back

Cholesterol helps to maintain fluidity and stability of the membrane.