Study guide Biology Test Cells

All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

All existing cells are produced by other

• living cells
• dead cells
• atom cells
• animal cells

This is the most basic unit of life

• atom
• cell
• nucleus
• DNA

Cell theory is one of the great unifying theories of

• biology
• chemistry
• physics
• physical science

Cells come only from what?

• existing cells
• nucleus
• fission
• budding

Which choice is NOT part of the cell theory.

• All organisms are composed of cells.

• Cells are the basic unit of life.

• All cells come from previous cells.

• Cells are always the same size and shape.

Microscopes help us see very small objects like cells in detail.

• True

• False

What happened that allowed cells to be studied?

• Cells increased in size.

• Scientists began to work together.

• Scientists became smarter.

• The microscope was invented and improved.

Plants and animal cells are examples of ___ cells 

• prokaryotic cells 
• eukaryotic cells 

Which of the following is found inside a prokaryote?

• cytoplasm
• DNA
• ribosomes
• all of these