6.13B Characteristics of Cells Practice #1

What is a characteristic of prokaryotic cells regarding their genetic material?

• Genetic material is surrounded by a membrane.

• Genetic material is often circular or loose in the cytoplasm.

• Genetic material is organized in chromosomes.

• Genetic material is found in the nucleus.

What is NOT true about prokaryotic cells?

• They have a nucleus.

• Their genetic material is not surrounded by a membrane.

• They lack membrane-bound organelles.

• Their genetic material is often circular.

What surrounds the genetic material and other organelles in eukaryotic cells?

• A membrane

• A cell wall

• Cytoplasm

• Ribosomes

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What is a key difference between eukaryotic and prokaryotic cells?

• Eukaryotic cells have additional structures and organelles not found in prokaryotes.

• Prokaryotic cells have a nucleus.

• Eukaryotic cells lack genetic material.

• Prokaryotic cells are larger than eukaryotic cells.

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What does it mean if an organism is unicellular?

• It is made of one cell.

• It is made of multiple cells.

• It has no cells.

• It is made of two cells.

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What structures might unicellular organisms use for movement?

• Flagella or cilia

• Legs or wings

• Fins or tails

• Arms or legs

What is the function of cilia in some unicellular organisms?

• To move food into the mouth

• To produce energy

• To protect the organism

• To store water

What are organisms made up of if they are multicellular?

• One cell

• Two or more cells

• No cells

• Only one type of cell

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What structures might some multicellular organisms have for movement?

• Roots

• Leaves

• Legs, arms, wings, or fins

• Antennae

What type of organisms are all multicellular organisms?

• Prokaryotes

• Eukaryotes

• Bacteria

• Viruses

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