Bioenergetics Big Picture (H)

Which of the following forms of energy are the most relevant to biology? Select 3

• Light energy from the sun

• Chemical bond energy

• Kinetic energy of motion

• Nuclear energy

• Electrical energy

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The 1st Law of Thermodynamics states that energy can be _

• Created

• Destroyed

• Converted/transferred into other forms

• All answers are correct

Energy allows all cells of all organisms to perform _ work. Select 3

• Chemical

• Transport

• Mechanical

• Computational

• Theoretical

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What is the major source of energy that organisms utilize for cellular work?

• ATP

• GTP

• Light

• Gravitational potential

• Electrical

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How many phosphate groups are present in a molecule of ATP?

• 1

• 2

• 3

• 10

• Many

How many phosphate groups are present in a molecule of ADP?

• 1

• 2

• 3

• 10

• Many

Which reaction releases the energy needed to power cellular work?

• ATP --> ADP

• ADP --> ATP

• ADP + P --> ATP

• ATP --> P + P + P

What do cells/organisms do when they run out of ATP?

• They recycle ADP

• They consume ATP

• They perform photosynthesis

• They perform chemosynthesis

• They give up and die

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Stored energy in _ allow cells to synthesize ATP from ADP. Select 3

• Carbohydrates

• Lipids

• Proteins

• DNA

• RNA

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Stored energy in carbohydrates, lipids, and proteins allow cells to synthesize ATP from ADP. This process is known as _

• Cellular respiraton

• Photosynthesis

• Chemosynthesis

• Gene expression

• Heterotrophy

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