PBS Semester 1 Final Review

Front

What are the three components of a nucleotide?

Back

sugar, phosphate, nitrogen base

Front

What does DNA stand for?

Back

Deoxyribonucleic acid

Front

What regulates what enters and leaves a cell?

Back

Cell Membrane

Front

What pumps the oxygen-rich blood to all parts of the body?

Back

Left Ventricle

Front

What is the function of the cell membrane?

Back

It regulates the movement of substances in and out of the cell.

Front

What are the four main types of macromolecules?

Back

Carbohydrates, lipids, proteins, nucleic acids

Front

What is the primary function of ribosomes?

Back

Protein synthesis

Front

What is the role of mitochondria in a cell?

Back

They produce energy through cellular respiration.

Front

What is the basic unit of life?

Back

The cell

Front

What is the function of the nucleus?

Back

It houses the cell's genetic material and controls cellular activities.