Biology A 8.1 Quiz

What is the basic unit of life in all living organisms?

• Atom

• Cell

• Tissue

• Organ

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

• All cells have a nucleus.

• Cells are the basic unit of structure and function in living things.

• Cells can only be seen with a microscope.

• All cells are eukaryotic.

What is the function of the cell membrane?

• It stores genetic information.

• It controls the movement of substances in and out of the cell.

• It produces energy for the cell.

• It synthesizes proteins.

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Which part of the cell contains the genetic material?

• Cytoplasm

• Nucleus

• Cell membrane

• Ribosome

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What is a eukaryote?

• An organism with cells that do not have a nucleus.

• An organism with cells that have a nucleus.

• A type of cell that can only be found in plants.

• A type of cell that can only be found in bacteria.

Which of the following is a characteristic of prokaryotic cells?

• They have a nucleus.

• They lack a nucleus.

• They have membrane-bound organelles.

• They are larger than eukaryotic cells.

Which of the following is NOT a component of the cell theory?

• All living things are composed of cells.

• Cells are the basic unit of life.

• All cells arise from pre-existing cells.

• Cells can spontaneously generate.

What is the primary role of the nucleus in a cell?

• To produce energy

• To control cell activities and store DNA

• To protect the cell from its environment

• To synthesize proteins

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Which of the following best describes a prokaryote?

• A cell with a complex structure and organelles

• A cell without a nucleus

• A cell with a nucleus and organelles

• A cell that is part of a multicellular organism

What is the main difference between eukaryotic and prokaryotic cells?

• Eukaryotic cells have a cell wall, prokaryotic cells do not.

• Eukaryotic cells have a nucleus, prokaryotic cells do not.

• Prokaryotic cells have a nucleus, eukaryotic cells do not.

• Prokaryotic cells have membrane-bound organelles, eukaryotic cells do not.