unit 3

  There are three parts to the cell theory. Which is NOT one of those parts?

• All organisms are composed of one or more cells.

• The cell is the basic unit of structure and organization in organisms.

• Cells spontaneously arise from carbon and nutrients carried in the bloodstream.

• All cells come from pre-existing cells.

  Which invention was the most important thing that helped scientists develop the cell theory?

• compound light microscope

• petri dish

• scanning electron microscope

• dissection tools

Only found in plant cells

"solar panels"

• cell wall

• cell membrane

• chloroplast

• cytoplasm

What is the correct hierarchy of cells?

• tissues-cells-organ systems-organs-organisms

• cell-organisms-tissues-organs-organ systems

• cells-tissues-organs-organ systems-organisms

• organs-tissues-cells-organ systems-organisms

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

• Prokaryotes have a nucleus.
• Eukaryotes have a nucleus.
• Prokaryotes are plant cells.
• There is no difference.

What cell part is NOT found in all cells?

• Cell Wall
• Cell Membrane
• Cytoplasm
• Genetic Material

What is the basic unit of life?

• Organ

• Cell

• Nucleus

• Ribosome

What organelle structure regulates what enters and leaves the cell

• Cell membrane

• Cell wall

• Nucleus

Organisms whose cells do not have a nucleus are called _____.

• Prokaryotes

• Unicellular

• Eukaryotes

• Multicellular

example of a prokaryote cell is

• Animal Cell

• Plant Cell

• Virus

• Bacteria