Unit 3: Cell Structure and Function

Which of the following statements is part of the cell theory?

• Cells are composed mostly of empty space

• Cells are generally large enough for the unaided eye to see

• All cells are produced from existing cells.

• Only animals are made up of cells.

Which type of cell developed first?

• Prokaryotic Cells

• Eukaryotic Cells

Which cell type tends to be smaller?

• Prokaryote

• Eukaryote

• there is not a size difference

The cells of all organisms contain DNA. In cells of which of the following groups is the cellular DNA enclosed in a nucleus?

• Bacteria

• Eukaryotes

• Prokartotes

• Viruses

Which of the following structures is ALWAYS found in both eukaryotic and prokaryotic cells and serves as the basis for common ancestory?

• nucleus

• mitochondria

• ribosomes

• cell wall

PROKARYOTIC cells do NOT have compartmentalization meaning they do not have ...

• membrane bound organelles

• cell membrane

• DNA

• ribosomes

Which of the following is only found in EUKARYOTIC cells?

• nucleus

• DNA

• cell membrane

• ribosomes

CHALLENGE QUESTION: Which of the following provides evidence for the hypothesis that prokaryotes evolved before eukaryotes.

• prokaryotes are more complex

• prokaryotes have no nucleus and fewer genes

• eukaryotes are multicellular which makes them simpler

• prokaryotes grow into eukaryotes

Which cell organelle found in algae and plants uses sunlight to produce energy rich compounds?

• Osmosis

• Ribosome

• Nucleus

• Chloroplasts

Which of the following structures are present in both plant and animal cells?

• cell walls

• centrioles

• chloroplasts

• mitochondria