Classify each of the following monosaccharides as an aldopentose, ketopentose, aldohexose, or ketohexose:
a. Psicose is present in low amounts in foods.

검증된 단계별 안내

Identify the functional group of the monosaccharide. Aldoses contain an aldehyde group (-CHO) at the first carbon, while ketoses contain a ketone group (C=O) typically at the second carbon.

Determine the number of carbon atoms in the monosaccharide. Pentoses have 5 carbon atoms, while hexoses have 6 carbon atoms.

Combine the functional group classification (aldo- or keto-) with the number of carbons (-pentose or -hexose) to classify the monosaccharide.

For Psicose, examine its structure (if provided in the image) to identify whether it has an aldehyde or ketone group and count the number of carbon atoms.

Based on the functional group and carbon count, classify Psicose as either an aldopentose, ketopentose, aldohexose, or ketohexose.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Monosaccharides

Monosaccharides are the simplest form of carbohydrates, consisting of single sugar molecules. They can be classified based on the number of carbon atoms they contain and the type of carbonyl group present, which can either be an aldehyde or a ketone. Common examples include glucose and fructose, which serve as fundamental building blocks for more complex carbohydrates.

Aldoses and Ketoses

Aldoses are monosaccharides that contain an aldehyde group (-CHO), while ketoses contain a ketone group (C=O). This distinction is crucial for classifying sugars, as it affects their chemical properties and reactivity. For instance, glucose is an aldohexose, whereas fructose is a ketohexose, highlighting the importance of the functional group in determining the sugar's classification.

Pentoses and Hexoses

Pentoses are monosaccharides with five carbon atoms, while hexoses have six. The classification into pentoses and hexoses is essential for understanding the structure and function of these sugars in biological systems. Examples include ribose (a pentose) and glucose (a hexose), both of which play vital roles in metabolism and cellular processes.

Classify each of the following monosaccharides as an aldopentose, ketopentose, aldohexose, or ketohexose:a. Psicose is present in low amounts in foods.