Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 4, Problem 3PIT
Summary Introduction
To add:
The terms substrate, active site, and activation energy to the concept map.
Concept introduction:
The enzyme is a proteinaceous molecule that acts as a catalyst inside the living organisms. The enzymes speed up the
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2. How do enzymes catalyze a metabolic reaction (Substrate and enzymes). Give
one metabolic reaction in a chemical equation form.(
3. Distinguish enzymes and subtrates, describe the mechanism enzymes action in relation to energy of activation and active site.
3. Enzymes speed up chemical reactions by lowering the activation energy of a reaction. Describe how enzyme
interactions with a substrate can result in a lower activation energy. Provide two examples.
Chapter 4 Solutions
Biology: Concepts and Investigations
Ch. 4.1 - What are some examples of the work of a cell?Ch. 4.1 - Prob. 2MCCh. 4.1 - Prob. 3MCCh. 4.1 - Prob. 4MCCh. 4.2 - What is metabolism on a cellular level?Ch. 4.2 - Prob. 2MCCh. 4.2 - Prob. 3MCCh. 4.3 - What are the main parts of an ATP molecule?Ch. 4.3 - Prob. 2MCCh. 4.3 - Describe the relationships among endergonic...
Ch. 4.4 - Prob. 1MCCh. 4.4 - Prob. 2MCCh. 4.4 - Prob. 3MCCh. 4.4 - Prob. 4MCCh. 4.4 - List three conditions that influence enzyme...Ch. 4.5 - What is diffusion?Ch. 4.5 - What types of substances diffuse freely across a...Ch. 4.5 - Prob. 3MCCh. 4.5 - Prob. 4MCCh. 4.5 - Prob. 5MCCh. 4.5 - Prob. 6MCCh. 4.6 - How does a knifefish adjust its electric field?Ch. 4.6 - Prob. 2MCCh. 4 - Prob. 1MCQCh. 4 - Building proteins _____ energy; ATP hydrolysis...Ch. 4 - How does an enzyme affect the energy of a...Ch. 4 - Prob. 4MCQCh. 4 - Prob. 5MCQCh. 4 - Some people claim that lifes high degree of...Ch. 4 - List some examples of endergonic and exergonic...Ch. 4 - Why do electron transport chains release energy?Ch. 4 - Provide an example of an appliance that uses...Ch. 4 - Name at least four ways that a cell uses ATP.Ch. 4 - Use what you know about enzymes to propose an...Ch. 4 - Prob. 7WIOCh. 4 - Prob. 8WIOCh. 4 - Prob. 9WIOCh. 4 - Liver cells are packed with glucose. If the...Ch. 4 - Prob. 1PITCh. 4 - Prob. 2PITCh. 4 - Prob. 3PIT
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- adenine molecule ii. NH2 N- НО-Р—О—Р—О—Р—О. ОН ОН ОН i. Phosphate chain ОН ОН iii ribose sugararrow_forward3. How does changes in enzymatic factors affect the native conformation of enzymes? What happens to the enzyme’s native conformation once it is denatured? What structural organization are destroyed by this process? Answer thoroughly.arrow_forward3. The most efficient enzymes are characterized by the following value: KM is a small number. kcat/KM is approaching zero. kcat is equal to Vmax. kcat/KM is near the diffusion-controlled limit. KM is a large number.arrow_forward
- 3. a. In the process of converting ADP to ATP, water is circle one: (REQUIRED / RELEASED) and therefore this is called a reaction type. Does this type of reaction require an enzyme? circle one: ( NO / YES / sometimes ) This reaction circle one: (REQUIRES / RELEASES) energy! b. In the process of converting ATP to ADP, water is circle one: (REQUIRED / RELEASED) and therefore this is called a reaction type. Does this type of reaction require an enzyme? circle one: ( NO / YES / sometimes ) This reaction circle one: (REQUIRES / RELEASES) energy! c. Explain why ATP is like a rechargeable battery.arrow_forward1. Which of the following are general properties of active sites? MARK ALL THAT APPLY. Group of answer choices Multiple interactions with substrate Not very specific Always hydrophobic Small pocket within enzyme.arrow_forward5. Some bacteria live in hot springs where the water can be 70°C or higher. Based on what you learned about the potato enzyme's activity at various temperatures, which graph represents enzyme activity from bacteria that are adapted to hot springs? Explain your answer. Rate of reaction (a) 20 - 40 2 60 Temperature (°C) 3 تن 80 100arrow_forward
- 3. Describe the function of each of the following molecules/cofactors: a. ATP b. NAD+ c. FAD d. Coenzyme Aarrow_forward1. Select one catabolic and one anabolic reaction from the metabolic pathways and address the role of each pathway in your body.arrow_forward2. How do enzymes catalyze a metabolic reaction (Substrate and enzymes). Giveone metabolic reaction in a chemical equation form.arrow_forward
- 5. a. In the process of converting ADP to ATP, water is circle one: (REQUIRED / RELEASED) and therefore this is called a reaction type. Does this type of reaction require an enzyme? circle one: (NO/YES / sometimes ) This reaction circle one: (REQUIRES / RELEASES) energy! b. In the process of converting ATP to ADP, water is circle one: (REQUIRED / RELEASED) and therefore this is called a reaction type. Does this type of reaction require an enzyme? circle one: (NO/YES / sometimes) This reaction circle one: (REQUIRES / RELEASES) energy! c. A given molecule of ATP can be broken down to ADP + P close to 1500 times in a day ("ATP cycle"). This is occurring in order to for cellular work. List a few examples of cellular work. d. Where does the energy to make ATP come from? It doesn't make sense to use ATP to make ATP. The energy to make ATP comes from specifically these types of macromolecules: andarrow_forward3. From a cell's point-of-view, which one or more of the following is/are the most effective (and least detrimental) way to shift only the reaction A B toward the right. A) Increase [A] B) Decrease [A] C) Increase [B] D) Decrease [B] E) Increase the temperaturearrow_forward9. For the graph below, which arrow indicates the ACTIVATION ENERGY for an ENZYME CATYLIZED reaction? reactants e.g. CO, + H,O products H,CO, Reaction coordinate O A B. C. Energyarrow_forward
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