5.1 Review Cellular Respiration

How do organisms get energy?

Answer explanation

Organisms get their energy from food.

Food molecules contain chemical energy that is released when their chemical bonds are broken.

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A calorie is the amount of ______ needed to raise the temperature of 1 gram of water 1 degree Celsius

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NGSS.HS-PS3-4

The Calorie (capital C) that is used is actually how many calorie?

• 1 calorie

• 10 calories

• 100 calories

• 1,000 calories

If carbohydrates and proteins contain about 4,000 calories (4 Calories) of energy per gram and fats contain about 9,000 calories (9 Calories) of energy per gram, how many calories are in an apple (Protein (g) - 0, Carbohydrates (g) 22, Fat (g) 0)?

Answer explanation

Carbohydrates have 4 Calories per gram.

If an apple has 22 grams of carbohydrates, 0 grams of protein and fat you would do the following: 22 x 4 = 88

An apple has 88 Calories.

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NGSS.HS-PS3-1

What is cellular respiration?

• The process of turning food to energy

• The process of energy conversation that releases energy from food in the presence of oxygen

• The process of energy conversation that releases energy from food

• The opposite of photosynthesis

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NGSS.HS-LS1-7

What is the chemical equation of cellular respiration in words?

Answer explanation

Oxygen + Glucose --> Carbon dioxide + Water + Energy

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What are the three main stages of cellular respiration?

Answer explanation

1) Glycolysis

2) Krebs Cycle

3) Electron Transport

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Aerobic means ___ air or oxygen

Answer explanation

Aerobic = with air/with oxygen

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NGSS.HS-LS2-3

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What stages are cellular respiration are aerobic? (check all that apply)

• None

• Krebs Cycle

• Glycolysis

• Electron transport

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NGSS.HS-LS2-3

Anaerobic means ______ air or oxygen

Answer explanation

Anaerobic = without air/without oxygen

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NGSS.HS-LS2-3