Cell Structures and Their Functions

Which organelle is known as the "powerhouse of the cell" because it produces energy?

• Nucleus

• Mitochondria

• Chloroplast

• Lysosome

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DOK Level 1: Recall

What is the primary function of the cell membrane?

• To produce energy

• To control what enters and exits the cell

• To store genetic information

• To synthesize proteins

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DOK Level 1: Recall

Explain how the structure of the cell wall contributes to its function in plant cells.

• The cell wall is flexible, allowing for easy movement.

• The cell wall is rigid, providing structural support and protection.

• The cell wall is thin, facilitating rapid transport of materials.

• The cell wall is permeable, allowing all substances to pass through.

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DOK Level 2: Skill/Concept

How do chloroplasts and mitochondria work together to support the cell's energy needs?

• Chloroplasts convert sunlight into chemical energy, which mitochondria use to produce ATP.

• Chloroplasts store energy, while mitochondria release it as heat.

• Chloroplasts break down glucose, and mitochondria store the energy.

• Chloroplasts and mitochondria both produce energy through photosynthesis.

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DOK Level 2: Skill/Concept

How do the nucleus, cytoplasm, and cell membrane interact to maintain cell function?

• The nucleus directs protein synthesis, the cytoplasm transports proteins, and the cell membrane regulates entry and exit of materials.

• The nucleus stores waste, the cytoplasm digests it, and the cell membrane expels it.

• The nucleus produces energy, the cytoplasm stores it, and the cell membrane uses it.

• The nucleus absorbs nutrients, the cytoplasm processes them, and the cell membrane stores them.

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DOK Level 3: Strategic Thinking

Which organelle is responsible for breaking down waste materials and cellular debris?

• Nucleus

• Lysosome

• Mitochondria

• Chloroplast

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DOK Level 1: Recall

Identify the organelle that contains the cell's genetic material.

• Cytoplasm

• Nucleus

• Cell membrane

• Mitochondria

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DOK Level 1: Recall

Compare the roles of the cell membrane and the cell wall in plant cells.

• Both provide energy to the cell.

• The cell membrane regulates transport, while the cell wall provides structure and protection.

• Both store genetic information.

• The cell membrane synthesizes proteins, while the cell wall stores nutrients.

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DOK Level 2: Skill/Concept

Why is the mitochondria important?

• Mitochondria are not involved in cellular respiration.

• Mitochondria convert glucose into ATP, providing energy for cellular activities.

• Mitochondria store oxygen for cellular respiration.

• Mitochondria produce glucose from ATP.

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DOK Level 3: Strategic Thinking

How does the structure of chloroplasts enable them to perform photosynthesis?

• Chloroplasts have a single membrane that captures sunlight.

• Chloroplasts contain chlorophyll, which absorbs light energy for photosynthesis.

• Chloroplasts have a rigid structure that supports the cell.

• Chloroplasts store water for photosynthesis.

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DOK Level 2: Skill/Concept