Grade 7B - Chapter 2 - Living Things

Front

What is the mixture of DNA and proteins that form the chromosomes found in the cells of humans and other higher organisms?

Back

Chromatin

Front

What is the control center of a eukaryotic cell that directs the cell's activities and contains the information that determines the cell's form and function?

Back

Nucleus

Front

What are the rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions?

Back

Mitochondria

Front

What term describes a single cell organism?

Back

Unicellular

Front

What is a sac inside a cell that acts as a storage?

Back

Vacuole

Front

What is the basic unit of life?

Back

Cell

Front

What is the jelly-like substance inside a cell that holds organelles?

Back

Cytoplasm

Front

What is the function of the cell membrane?

Back

To protect the cell and control what enters and leaves it.

Front

What are the two main types of cells?

Back

Prokaryotic and Eukaryotic

Front

What is the function of ribosomes in a cell?

Back

To synthesize proteins.