Openscied Review

What's the difference between starch and glucose?

• Starch is a type of protein and glucose is a sugar

• Starch is made up of many glucose molecules bonded together

• Glucose is made up of many starch molecules bonded together

• Glucose is a type of protein and starch is a sugar

Why do molecules in the small intestine seem like they are disappearing?

• The molecules are getting absorbed into the blood

• The molecules are returning to the stomach

• The molecules are going to the large intestine

• The molecules are broken down and no longer exist

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What does COMPLEX CARBOHYDRATES (starch) turn into when it is chemically broken apart?

• Glucose

• Fatty Acids

• Amino Acids

• Fiber

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NGSS.MS-LS1-7

Why are some molecules absorbed into the blood stream, but some molecules are not?

• Some molecules are bigger than others.

• Some molecules are liquids.

• Some molecules are healthier for you.

• Some molecules are smaller than others.

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When you eat, what happens to the fiber in your food?

• Fiber is broken down into starch molecules and absorbed

• Fiber is too big to be absorbed, so it is excreted as solid waste

• Fiber is broken down into glucose and absorbed

• Fiber is coming together and getting bigger. Then it is absorbed.

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NGSS.MS-LS1-7

The air sacs that are covered with capillaries where gas exchange takes place.

• Bronchi

• Trachea

• Oxygen

• Alveoli

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Our cells are constantly in need of energy. Through a chemical reaction, the cells turn _____ and _____ into a usable form of energy.

• oxygen ; carbon dioxide

• oxygen ; glucose

• carbon dioxide ; glucose

• carbon dioxide ; water

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NGSS.MS-LS2-3

Which reactant molecule from the air is needed by all of your cells?

• oxygen

• carbon dioxide

• fat

• glucose

How does oxygen get into the blood?

• it enters through the villi in the small intestine

• it enters through the alveoli in the lungs

• it is created during cellular respiration

Your blood is like an Amazon delivery truck. Why?

• Blood brings food molecules and oxygen to cells and takes carbon dioxide and water away.

• Blood delivers carbon dioxide to the cells. and takes away food.

• Blood brings food molecules to the lungs and takes oxygen away from cells

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NGSS.MS-LS2-3