Front

What organelle is found in plant cells but not in animal cells?

Back

Cell wall

Front

What is true for all living things?

Back

They are made of cells.

Front

What determines how chemically reactive an element is?

Back

Valence electrons

Front

Order these terms from simplest to most complex: Cell, Tissue, Organ, Organ System.

Back

Cell, Tissue, Organ, Organ System

Front

What does a mixture of elements represent?

Back

A combination of two or more elements that are not chemically bonded.

Front

What is the basic unit of life?

Back

Cell

Front

What is the function of mitochondria?

Back

They produce energy (ATP) through cellular respiration.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the role of the cell membrane?

Back

It controls what enters and exits the cell.

Front

What is photosynthesis?

Back

The process by which plants convert sunlight into chemical energy.