Based on the structure shown for retinol (vitamin A) and the names of the two related forms of vitamin A, retinal and retinoic acid, what do you expect to be the structural differences among these three compounds?
Ch.19 Enzymes and Vitamins
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187당신이 사용하는 게 아니라요?교과서 변경
19장, 문제 25b
Answer questions (a)–(e) concerning the following reaction:

b. Since hydrogens are removed, the enzyme belongs to what subclass of the enzyme class from part (a)?
검증된 단계별 안내1
Step 1: Recall that enzymes are classified into six major classes based on the type of reaction they catalyze. These classes are oxidoreductases, transferases, hydrolases, lyases, isomerases, and ligases.
Step 2: Understand that the removal of hydrogens from a molecule is typically associated with oxidation reactions. Enzymes that catalyze oxidation-reduction reactions belong to the oxidoreductase class.
Step 3: Within the oxidoreductase class, there are subclasses based on the specific type of reaction. For example, dehydrogenases are a subclass of oxidoreductases that specifically remove hydrogen atoms from a substrate.
Step 4: Based on the information provided in the problem, identify that the enzyme in question belongs to the dehydrogenase subclass of oxidoreductases, as it is responsible for removing hydrogens.
Step 5: Conclude that the enzyme belongs to the dehydrogenase subclass of the oxidoreductase class, as this aligns with the reaction described in the problem.

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주요 개념
질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.
Enzyme Classification
Enzymes are classified into six main classes based on the type of reaction they catalyze. These classes include oxidoreductases, transferases, hydrolases, lyases, isomerases, and ligases. Understanding this classification is essential for identifying the specific subclass of an enzyme based on its function in biochemical reactions.
추천 영상:
가이드 코스
Six Main Classifications Concept 3
Oxidoreductases
Oxidoreductases are a subclass of enzymes that catalyze oxidation-reduction reactions, where electrons are transferred between molecules. In the context of the question, the removal of hydrogens typically indicates an oxidation process, suggesting that the enzyme in question is likely an oxidoreductase, which plays a crucial role in metabolic pathways.
추천 영상:
가이드 코스
Oxidoreductases Example 3
Reaction Mechanism
The reaction mechanism refers to the step-by-step sequence of events that occur during a chemical reaction, including the formation and breaking of bonds. Understanding the mechanism helps in identifying the role of specific enzymes and the nature of the substrates involved, which is vital for answering questions about enzyme subclasses and their functions.
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