Chapter 4 Cellular Metabolism Review

What are the two things that are required inside a cell in order for cellular metabolism to take place.

• Energy and heat

• Energy and water

• Energy and DNA

• Enzymes and heat

The build up of larger molecules from smaller ones, requiring energy input

• Catabolism

• Metabolism

• Anabolism

• All the above

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Identify the REACTION:

C₆H₁₂O₆ + C₆H₁₂O₆ —> C₁₂H₂₂O₁₁ + H₂O

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Drawing Conclusions:

Heat, radiation, electricity, certain chemicals or fluids with extreme pH values and some poisons can denature proteins known as

• enzymes

• substrates

• metabolic pathways

• glycolysis

Explain how enzymes make metabolic reactions possible.

• Enzymes make metabolic reactions possible by adding a catalyst.

• Enzymes make metabolic reactions possible by binding an enzyme with a substrate.

• Enzymes make metabolic reactions possible by adding heat.

• Enzymes make metabolic reactions possible by lowering the activation energy required to start these reactions.

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Explain the process of dehydration synthesis.

• Dehydration synthesis joins many simple sugar molecules to form larger molecules of glycogen and produce water.

• Dehydration synthesis is the breaking down of carbohydrates, lipids, and proteins, and splits a water molecule.

• Dehydration synthesis is the metabolic pathway of catabolism.

• Dehydration synthesis is the process of cellular respiration.

Explain the process of cellular respiration using the formula below.

C₆H₁₂O₆ + 0₂ ---> 6CO₂ + 6H₂0 + Energy

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Discuss the distinct, interconnect series of reactions involved in cellular respiration.

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Explain what ATP is and how it can change to ADP and then, convert back into ATP.

• ATP is 3 phosphates; when energy is used to form a bond, the terminal phosphate releases energy and transfers a phosphate for protein synthesis creating ADP; then it is synthesizes energy to convert back to ATP.

• ATP is a whole lot of phosphates; when energy is released during cellular metabolism all the phosphates to cellular respiration; the energy is then recycled and used to create a need bond in the form of ADP.

• ATP is 3 phosphates; when energy is released during cellular respiration, the terminal end phosphate captures some of that energy, then the energy is released when that bond breaks becoming ADP; ADP can convert back to ATP by adding energy and 2 more phosphates.

• ATP is 3 phosphates; when energy is released during cellular respiration, the terminal end phosphate captures some of that energy, then the energy is released when that bond breaks becoming ADP; ADP can convert back to ATP by adding energy and 1 phosphate.

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Explain when cellular respiration occurs in cells.

• Cellular respiration occurs when enzymes reduce the activation energy required for the oxidation occurs inside cells.

• Cellular respiration occurs when burning takes place outside the cells.

• Cellular respiration occurs when heat is required for oxidation to occur.

• Cellular respiration occurs in the nucleus of the cell.

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