Cells: The Basic Unit of Life

Who was the scientist that first used a microscope to look at thin slices of cork and saw tiny structures that looked like rooms?

• Anton van Leeuwenhoek

• Robert Hooke

• Isaac Newton

• Albert Einstein

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What is the approximate size range of plant cells as mentioned in the text?

• 1-5 micrometers

• 10-20 micrometers

• 20-50 micrometers

• 50-100 micrometers

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

• Atoms

• Molecules

• Cells

• Tissues

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What is the function of the cell membrane?

• It produces energy for the cell.

• It controls which substances are allowed in and out of the cell.

• It stores genetic information.

• It provides structural support to the cell.

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What is the function of the nucleus in a cell?

• It is the powerhouse of the cell

• It is the command center of the cell, containing DNA

• It makes proteins

• It transports molecules.

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Which organelle is responsible for making and transporting molecules around the cell?

• Nucleus

• Mitochondria

• Endoplasmic reticulum

• Ribosomes

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What is the primary function of mitochondria?

• To make proteins

• To release energy using glucose and oxygen

• To control cell activities

• To form a barrier around the cell.

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Which organelle forms a barrier around the cell and controls the materials that enter and leave?

• Ribosomes

• Nucleus

• Cell membrane

• Mitochondria

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Ribosomes are tiny organelles that: A) Make proteins B) Store DNA C) Release energy D) Transport molecules.

• Make proteins

• Store DNA

• Release energy

• Transport molecules

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What is the function of the Golgi body in a cell?

• It stores genetic material

• It packs proteins into vesicles

• It helps in photosynthesis

• It provides energy to the cell

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