Unit 1: Cell Structures and Unit 2: Cellular Processes

What is the primary function of the cell membrane?

• To produce energy for the cell

• To control the movement of substances in and out of the cell

• To store genetic information

• To synthesize proteins

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Which molecule is the main energy carrier in cellular respiration?

• Glucose

• ATP

• NADH

• Oxygen

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Identify the organelle responsible for photosynthesis.

• Mitochondria

• Ribosome

• Chloroplast

• Nucleus

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Which of the following is a characteristic of prokaryotic cells?

• They have a nucleus

• They contain membrane-bound organelles

• They lack a nucleus

• They are larger than eukaryotic cells

Explain how the structure of the cell membrane contributes to its function.

• The rigid structure allows for protection

• The fluid mosaic model allows for selective permeability

• The solid structure prevents any movement

• The static nature allows for stability

Describe the role of chlorophyll in photosynthesis.

• It absorbs light energy to convert it into chemical energy

• It transports water throughout the plant

• It stores glucose for later use

• It releases oxygen as a waste product

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Compare and contrast the processes of photosynthesis and cellular respiration.

• Both processes occur in the mitochondria

• Photosynthesis releases energy, while cellular respiration stores energy

• Photosynthesis stores energy, while cellular respiration releases energy

• Both processes require oxygen

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How do viruses differ from living cells?

• Viruses can reproduce independently

• Viruses have a cellular structure

• Viruses require a host cell to reproduce

• Viruses can perform metabolic processes

Analyze the impact of a malfunctioning mitochondrion on a cell.

• The cell would produce excess energy

• The cell would be unable to produce sufficient ATP

• The cell would become more efficient

• The cell would increase protein synthesis

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Evaluate the importance of biomolecules in cellular processes.

• Biomolecules are not essential for cellular processes

• Biomolecules provide structural support only

• Biomolecules are crucial for energy, structure, and regulation

• Biomolecules only function in energy storage

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