Cell Parts and Functions - Middle School Life Science
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Identify the organelle that functions like a "control center" in a cell model.
Identify the organelle that functions like a "control center" in a cell model.
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Nucleus. Contains DNA that regulates all cell activities.
Nucleus. Contains DNA that regulates all cell activities.
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What is the primary function of the cell membrane in a cell model?
What is the primary function of the cell membrane in a cell model?
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Controls what enters and leaves the cell. Acts as a selective barrier using its phospholipid bilayer structure.
Controls what enters and leaves the cell. Acts as a selective barrier using its phospholipid bilayer structure.
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What is the primary function of the cytoplasm in a cell model?
What is the primary function of the cytoplasm in a cell model?
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Jelly-like fluid that holds organelles and supports reactions. Provides a medium for chemical reactions and molecular transport.
Jelly-like fluid that holds organelles and supports reactions. Provides a medium for chemical reactions and molecular transport.
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What is the primary function of the nucleus in a cell model?
What is the primary function of the nucleus in a cell model?
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Stores DNA and directs cell activities. Contains genetic material that controls all cellular functions.
Stores DNA and directs cell activities. Contains genetic material that controls all cellular functions.
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What is the primary function of the nucleolus in a cell model?
What is the primary function of the nucleolus in a cell model?
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Makes ribosomes. Dense region within nucleus where ribosomal RNA is synthesized.
Makes ribosomes. Dense region within nucleus where ribosomal RNA is synthesized.
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What is the primary function of ribosomes in a cell model?
What is the primary function of ribosomes in a cell model?
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Build proteins. Link amino acids together following mRNA instructions.
Build proteins. Link amino acids together following mRNA instructions.
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What is the primary function of mitochondria in a cell model?
What is the primary function of mitochondria in a cell model?
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Produce ATP energy by cellular respiration. Break down glucose to generate usable energy for the cell.
Produce ATP energy by cellular respiration. Break down glucose to generate usable energy for the cell.
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What is the primary function of chloroplasts in a cell model?
What is the primary function of chloroplasts in a cell model?
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Use sunlight to make sugars by photosynthesis. Contain chlorophyll to capture light energy for glucose production.
Use sunlight to make sugars by photosynthesis. Contain chlorophyll to capture light energy for glucose production.
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What is the primary function of the cell wall in a cell model?
What is the primary function of the cell wall in a cell model?
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Provides rigid support and protection outside the membrane. Made of cellulose in plants, gives structural strength.
Provides rigid support and protection outside the membrane. Made of cellulose in plants, gives structural strength.
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What is the primary function of the vacuole in a cell model?
What is the primary function of the vacuole in a cell model?
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Stores water, nutrients, and wastes; helps plant turgor. Large in plant cells, maintains pressure for cell rigidity.
Stores water, nutrients, and wastes; helps plant turgor. Large in plant cells, maintains pressure for cell rigidity.
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What is the primary function of lysosomes in a cell model?
What is the primary function of lysosomes in a cell model?
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Digest and recycle wastes and worn-out cell parts. Contain digestive enzymes that break down cellular debris.
Digest and recycle wastes and worn-out cell parts. Contain digestive enzymes that break down cellular debris.
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What is the primary function of the Golgi apparatus in a cell model?
What is the primary function of the Golgi apparatus in a cell model?
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Modifies, sorts, and packages proteins for transport. Receives proteins from ER and prepares them for export.
Modifies, sorts, and packages proteins for transport. Receives proteins from ER and prepares them for export.
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What is the primary function of vesicles in a cell model?
What is the primary function of vesicles in a cell model?
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Carry materials within the cell or to the cell membrane. Small membrane sacs that transport substances between organelles.
Carry materials within the cell or to the cell membrane. Small membrane sacs that transport substances between organelles.
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What is the primary function of centrioles in a cell model of an animal cell?
What is the primary function of centrioles in a cell model of an animal cell?
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Help organize cell division by moving chromosomes. Form spindle fibers to separate chromosomes during mitosis.
Help organize cell division by moving chromosomes. Form spindle fibers to separate chromosomes during mitosis.
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Identify the organelle that functions like a "power plant" in a cell model.
Identify the organelle that functions like a "power plant" in a cell model.
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Mitochondrion. Has double membrane and produces ATP through respiration.
Mitochondrion. Has double membrane and produces ATP through respiration.
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Identify the organelle that functions like a "protein factory" in a cell model.
Identify the organelle that functions like a "protein factory" in a cell model.
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Ribosome. Site of protein synthesis using genetic instructions.
Ribosome. Site of protein synthesis using genetic instructions.
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Which option best matches a cell model: "packaging and shipping center"?
Which option best matches a cell model: "packaging and shipping center"?
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Golgi apparatus. Modifies and packages proteins like a shipping department.
Golgi apparatus. Modifies and packages proteins like a shipping department.
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Which option best matches a cell model: "storage tank that helps plant firmness"?
Which option best matches a cell model: "storage tank that helps plant firmness"?
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Central vacuole. Large vacuole in plants stores water to maintain turgor pressure.
Central vacuole. Large vacuole in plants stores water to maintain turgor pressure.
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What is the primary function of the cell wall in a cell model?
What is the primary function of the cell wall in a cell model?
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Provides rigid support and protection. Made of cellulose in plants, gives shape and prevents bursting.
Provides rigid support and protection. Made of cellulose in plants, gives shape and prevents bursting.
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What is the primary function of chloroplasts in a cell model?
What is the primary function of chloroplasts in a cell model?
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Uses sunlight to make sugar by photosynthesis. Contains chlorophyll to capture light energy for glucose production.
Uses sunlight to make sugar by photosynthesis. Contains chlorophyll to capture light energy for glucose production.
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Which cell part is best modeled as a “solar panel” that captures light to make sugar?
Which cell part is best modeled as a “solar panel” that captures light to make sugar?
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Chloroplast. Converts light energy to chemical energy like solar panels to electricity.
Chloroplast. Converts light energy to chemical energy like solar panels to electricity.
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Which cell part is best modeled as a “post office” that packages and ships materials?
Which cell part is best modeled as a “post office” that packages and ships materials?
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Golgi apparatus. Processes and labels proteins for delivery like mail sorting.
Golgi apparatus. Processes and labels proteins for delivery like mail sorting.
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Which cell part is best modeled as a “power plant” that releases usable energy?
Which cell part is best modeled as a “power plant” that releases usable energy?
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Mitochondria. Converts chemical energy into ATP like a power plant generates electricity.
Mitochondria. Converts chemical energy into ATP like a power plant generates electricity.
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What is the primary function of mitochondria in a cell model?
What is the primary function of mitochondria in a cell model?
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Releases energy by cellular respiration. Breaks down glucose to produce ATP, the cell's energy currency.
Releases energy by cellular respiration. Breaks down glucose to produce ATP, the cell's energy currency.
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Which cell part is best modeled as a “security gate” controlling entry and exit?
Which cell part is best modeled as a “security gate” controlling entry and exit?
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Cell membrane. Its selective permeability controls molecular traffic like a gate.
Cell membrane. Its selective permeability controls molecular traffic like a gate.
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