Photosynthesis & Cellular Respiration

The diagram below shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur.Which statement describes how photosynthesis and cellular respiration are interrelated?

•  Oxygen is produced during cellular respiration and stored during photosynthesis.
• Carbon dioxide and water released by cellular respiration are used in photosynthesis.
• Photosynthesis releases the energy that is stored during the process of cellular respiration.
•  Glucose is used during cellular respiration to produce food that is broken down during photosynthesis.

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Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

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What function does ATP carry out in living things?

• aids in protein folding and coiling
• used to capture and transfer energy
• identifies DNA start sequences for transcription
• helps maintain the fluidity of cell membranes

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How are cellular respiration and photosynthesis related, in terms of energy?

• The energy captured in photosynthesis is used to power cellular respiration.
• The energy transformed in cellular respiration is used to power photosynthesis.
• Photosynthesis and respiration perform the same task in terms of energy transformation.
• Energy is not involved in either photosynthesis or cellular respiration.

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A diagram representing the relationship between photosynthesis and cellular respiration is shown.  The numbered boxes in the diagram represent which of the following?

• 1 - water; 2 - nitrogen
• 1 - nitrogen; 2 - oxygen
• 1 - oxygen; 2 - carbon dioxide
• 1 - carbon dioxide; 2 - water

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A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event? 

•  As the cells run out of oxygen they switch to anaerobic respiration, which allows the cell to make small amounts of ATP in the absence of oxygen. 
• As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.
• The cells will never run out of oxygen if the weightlifter is breathing.
• As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP. 

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Two different species of bacteria are examined. Scientists find that species X always produces CO₂ and H₂O during cellular respiration. Species Y always produces ethyl alcohol and CO₂. Which conclusion can be made from these observations? 

•  Only species Y is aerobic.
• Only species Y is anaerobic.
• Both species X and Y are aerobic.
•  Both species X and Y are anaerobic. 

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 Which of the following are the reactants of photosynthesis?

• water and glucose
• glucose and carbon dioxide
•  carbon dioxide and water
•  oxygen and water

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 Which process do the animals in the food web use to convert energy from food into ATP?

•  cellular respiration
• osmosis
• photosynthesis
•  transcription 

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What does the opening in the picture do?

• allows Oxygen and Carbon Dioxide in and out

• protects the root

• makes sugar

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