Sucrose is

Question

Sucrose is

BlackTom AI · Accepted Answer

When evaluating the statement 'Sucrose is', each option should be considered in light of basic carbohydrate chemistry and cariology.
Option 1: 'the most cariogenic sugar' — This choice aligns with widely taught dental caries literature, which identifies sucrose as highly cariogenic due to its readily fermentable nature and its role as a substrate for plaque bacteria, as well as its capacity to be extrinsically bound into plaque matrices that favor bacterial adherence. This makes it a leading contributor to dental caries under typical dietary conditions.
Option 2: 'the fuel the brain desires' — While glucose is the brain’s primary energy source, this statement is overly broad and not specific to sucrose. Sucrose itself must be hydrolyzed into glucose and fructose before being used for energy, so saying sucrose is the brain’s preferred fuel is an oversimplification and imprecise.
Option 3: 'the sweetest sugar' — Sucrose is indeed sweet, but this option is not the most precise descriptor. In taste science, fructose is actually perceived as sweeter than sucrose by many individuals, so claiming sucrose is the sweetest sugar can be misleading and inaccurate as a universal fact.
Option 4: 'monosaccharide' — This is factually incorrect. Sucrose is a disaccharide composed of glucose and fructose linked together; monosaccharides are single-unit sugars like glucose or fructose, not the disaccharide sucrose.

In summary, option 1 correctly identifies sucrose as a highly cariogenic sugar, while the other options contain factual inaccuracies or overgeneralizations related to brain energy use, relative sweetness, or carbohydrate classification.

Sucrose is 单项选择题

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