1.7 ATP

• What does ATP stand for?

  Adenosine triphosphate
• The high-energy bonds in ATP release energy when broken


  True
• Order the steps involved in ATP hydrolysis

  1️⃣ Break a high-energy phosphate bond

  2️⃣ Add a water molecule

  3️⃣ Release energy
• Match the ATP component with its description:

  Adenine ↔️ A nitrogenous base

  Ribose ↔️ A five-carbon sugar

  Phosphate Groups ↔️ Linked by high-energy bonds
• ATP hydrolysis releases -30.5 kJ/mol of energy
• The high-energy bonds in ATP are readily broken to release immediate energy
• The phosphate groups in ATP are connected by high-energy bonds
• The phosphate groups in ATP are connected by high-energy bonds.


  True
• Adenine is a nitrogenous base
• ATP hydrolysis releases energy by breaking a high-energy phosphate bond
• What makes ATP suitable for immediate energy release in cells?

  High-energy phosphate bonds
• ATP is vital for providing immediate energy to fuel diverse cellular activities.


  True
• ATP is the primary energy currency of cells
• The high-energy bonds in ATP release energy when broken
• ATP synthesis requires energy from cellular respiration or photosynthesis


  True
• The chemical equation for ATP hydrolysis is ATP + H₂O → ADP + Pi + Energy


  True
• ATP is used to power muscle contraction by providing energy for muscle proteins to slide


  True
• ATP hydrolysis and synthesis are reversible processes


  True
• Order the energy sources from fastest to slowest release rate:

  1️⃣ ATP

  2️⃣ Glucose

  3️⃣ Fatty Acids
• ATP is the main energy currency for cells
• ATP releases energy when its bonds are broken through hydrolysis
• The high-energy bonds in ATP release energy when broken.


  True
• The high-energy phosphate bonds in ATP release energy immediately.


  True
• Steps involved in ATP synthesis during oxidative phosphorylation:

  1️⃣ Electron transport chain creates a proton gradient

  2️⃣ Proton gradient drives ATP synthase
• Which sugar is attached to the adenine base in ATP?

  Ribose
• ATP hydrolysis releases approximately -30.5 kJ/mol of energy
• What process uses ATP to move molecules against their concentration gradient?

  Active transport
• What are the three key components of ATP?

  Adenine, ribose, phosphate groups
• Match the energy source with its characteristics:

  ATP ↔️ Immediate energy source

  Glucose ↔️ Long-term energy storage

  Fatty Acids ↔️ Storage of reserve energy
• ATP's small size allows it to be easily transported throughout the cell
• What is the net energy released when ATP is hydrolyzed to ADP?

  -30.5 kJ/mol
• What type of reaction releases energy when ATP is broken down?

  Hydrolysis
• What is ATP referred to as in cells?

  Energy currency
• What are the three main components of ATP?

  Adenine, ribose, phosphate groups
• What are the end products of ATP hydrolysis?

  ADP, Pi, Energy
• The reversibility of ATP hydrolysis and synthesis ensures efficient energy storage and use