NGSS.MS-LS1-7

What begins the process of chemical breakdown?

• Liver
• Salivary glands
• Colon

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 What is the main job of the digestive system? 

• break down foods into nutrients that can be used by the body
• take in oxygen and exhale waste like carbon dioxide
• pump blood throughout the body
• makes the body hungry

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NGSS.MS-LS1-7

chemical digestion happens here

• stomach

• liver

• pancreas

• large intestine

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NGSS.MS-LS1-7

This following picture is a food example of

• lipids

• carbohydrates

• protein

• nucleic acids

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NGSS.MS-LS1-7

"power house" of the cell - converts sugar into energy

• cytoplasm

• mitochondrion

• nucleus

• vacuoles

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NGSS.MS-LS1-7

The process of breaking down of food is called__.

• Digestion

• Ingestion

• Excretion

• Respiration

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NGSS.MS-LS1-7

What is a molecule that organisms can use to release the energy they need to survive

• an energy storage molecule

• a water storage molecle

• an internal storage molecule

• any storage molecule

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NGSS.MS-LS1-7

Cellular respiration takes place inside eukaryotic cells. The diagram below shows different structures of a eukaryotic cell. In which part of the cell does cellular respiration take place? (SC.8. L.18.2)

• Cell Membrane

• Mitochondria

• Nucleus

• Ribosomes

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NGSS.MS-LS1-7

What is oxygen needed for?

• energy releasing chemical reactions

• to make glucose

• to take in sunlight

• none of the above

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NGSS.MS-LS1-7

The ______________ is the cellular organelle that converts glucose into ATP, a chemical form of energy the cell can use.

• Chloroplast

• Chlorophyll

• Mitochondria

• Nucleus

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NGSS.MS-LS1-7