Structure and Function Unit Review

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What is the cell theory?

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The cell theory states that: 1) All living things are made of one or more cells, 2) Cells are the basic unit of structure and function in organisms, 3) All cells come from pre-existing cells.

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Which organelle is known as the powerhouse of the cell?

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The mitochondrion is known as the powerhouse of the cell because it produces energy (ATP) through cellular respiration.

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What is the function of the nucleus in a cell?

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The nucleus acts as the command center of the cell, controlling all activities and housing the cell's genetic material (DNA).

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What are tissues?

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Tissues are groups of similar cells that work together to perform a specific function in multicellular organisms.

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What is the role of the cell membrane?

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The cell membrane controls what enters and exits the cell, maintaining homeostasis.

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What is the difference between plant and animal cells?

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Plant cells have a rigid cell wall, chloroplasts for photosynthesis, and large central vacuoles, while animal cells do not.

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What is an organ?

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An organ is a structure made up of different types of tissues that work together to perform a specific function.

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What is the function of ribosomes?

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Ribosomes are responsible for protein synthesis in the cell.

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Front

What is the cytoplasm?

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Cytoplasm is the jelly-like substance within the cell membrane that contains organelles and is the site of many cellular processes.

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Front

What is the function of chloroplasts?

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Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

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