Metabolic Pathways Analyzed: Energy Transfer and Enzyme Function

The video tutorial explains metabolic processes, focusing on anabolic and catabolic reactions. It details the role of ATP in energy transfer and the function of enzymes in catalyzing reactions. The Calvin cycle's role in photosynthesis and glycolysis in cellular respiration are also covered, highlighting their importance in energy production and conversion.

What type of reaction involves the building of molecules and requires energy?

• Anabolic reaction

• Spontaneous reaction

• Exergonic reaction

• Catabolic reaction

Which molecule is known as the energy currency of the cell?

• G3P

• NADPH

• ATP

• ADP

What happens when a phosphate bond in ATP is broken?

• Energy is absorbed

• Energy is released

• ATP is converted to NADPH

• ATP is converted to glucose

What is the role of enzymes in chemical reactions?

• They are consumed in the reaction

• They lower the activation energy

• They slow down reactions

• They increase the activation energy

What is the specific region of an enzyme where the substrate binds called?

• Active site

• Binding site

• Catalytic site

• Reaction site

Which enzyme catalyzes the Calvin cycle?

• Lactate dehydrogenase

• Glycogen synthase

• RuBisCO

• ATP synthase

What is the main purpose of the Calvin cycle?

• To release energy

• To break down glucose

• To convert ATP to ADP

• To fix carbon dioxide into organic compounds

What is the first step of cellular respiration?

• Krebs cycle

• Glycolysis

• Electron transport chain

• The Calvin cycle

During glycolysis, glucose is broken down into which compound?

• ATP

• Pyruvate

• NADPH

• G3P

What is the net gain of ATP molecules in glycolysis?

• Four ATP

• Three ATP

• Two ATP

• One ATP