Cells

Cell theory is the result of ___________.

• one scientist's hypothesis and observation

• two scientist's hypotheses and observations

• many scientist's hypotheses and observations

What is the smallest unit of life?

• atom

• molecule

• cell

• organism

What is not true of cell theory?

• The cell is the most basic part of a living organism.

• All cells have a nucleus, which acts like the brain of the cell.

• All living organisms are composed of cells.

• All cells come from preexisting living cells.

Where do cells come from?

• animals

• plants

• other living cells

• dead cells

Both plants and animals are made up of _________.

• organs

• compounds

• skin

• cells

Which type of cells have cytoplasm?

• prokaryotic

• eukaryotic

• both

Which type of cells have a nucleus?

• prokaryotic

• eukaryotic

• both

Which type of cell is the oldest?

• prokaryotic

• eukaryotic

• both

Which type of cell is more simple?

• prokaryotic

• eukaryotic

• both

Which of these is a prokaryotic cell?

• bacteria

• flower

• person

• worm