04.1 Total D

Energy in living systems is defined as:

• Heat production only
• The ability to do work
• Light absorption
• Chemical bonding

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During sleep, cells:

• Stop using energy completely
• Use minimal ATP
• Continue using energy actively
• Only break down ATP

The energy state of new bonds formed during combustion is:

• Higher than original bonds
• Equal to original bonds
• Lower than original bonds
• Variable depending on temperature

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ADP becomes ATP through:

• Removal of phosphate
• Addition of adenine
• Addition of phosphate
• Removal of ribose

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Cellular energy storage is primarily accomplished through:

• Formation of water molecules
• Chemical bonds
• Heat retention
• Light absorption

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The phosphate groups in ATP are:

• Permanently bound
• Key to energy storage and release
• Unnecessary for function
• Similar to those in glucose

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Without energy, cells cannot:

• Maintain their structure
• Reproduce only
• Create waste products
• Perform active transport

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The energy transformation in a burning candle demonstrates:

• ATP synthesis
• b. Cellular respiration only
• c. Chemical energy conversion
• d. Photosynthesis

ATP's role in cells is:

• Structural support only
• Waste removal
• Hormone production
• Basic energy source

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The process of adding phosphate to ADP:

• Releases energy
• Requires energy input
• Has no energy change
• Produces water

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