Biology Midterm Review A

Front

What is a protein?

Back

A protein is a type of molecule that provides building blocks for tissues, transports other molecules, and helps regulate certain reactions in the body.

Front

What does the cell theory state about the origin of cells?

Back

According to the cell theory, cells come from other cells.

Front

What are the building blocks of lipids?

Back

The building blocks of lipids are glycerol and fatty acids.

Front

What part of a cell is responsible for producing proteins?

Back

The ribosome is the part of a cell that produces proteins.

Front

What is the function of the smooth endoplasmic reticulum (smooth ER)?

Back

The smooth ER is responsible for the making of lipids and breaking down toxic substances.

Front

What are amino acids?

Back

Amino acids are organic compounds that serve as the building blocks of proteins.

Front

What is the role of carbohydrates in the body?

Back

Carbohydrates provide energy and serve as structural components in cells.

Front

What is the function of the nucleus in a cell?

Back

The nucleus contains the cell's genetic material and controls cellular activities.

Front

What is the difference between rough ER and smooth ER?

Back

Rough ER has ribosomes on its surface and is involved in protein synthesis, while smooth ER lacks ribosomes and is involved in lipid synthesis.

Front

What is a lipid?

Back

Lipids are a group of hydrophobic molecules that include fats, oils, and phospholipids, serving as energy storage and structural components of cell membranes.