Introduction:
In this analysis, we will consider three samples of juices - A, B, and C, which have glucose as the only sugar present in them. We will explore the characteristics and properties of each juice sample to gain a comprehensive understanding.

Sample A:
- Glucose as the only sugar present: Sample A contains glucose as the sole sugar component. This implies that the juice is composed purely of glucose molecules, without any other sugar molecules.
- Glucose characteristics: Glucose is a simple sugar, also known as a monosaccharide. It is the primary source of energy for living organisms and is easily metabolized by the body.
- Taste and sweetness: Since glucose is a sugar, Sample A will have a sweet taste. However, the sweetness level may vary depending on the concentration of glucose in the juice. Higher glucose concentrations will result in a sweeter taste.

Sample B:
- Glucose as the only sugar present: Similar to Sample A, Sample B also contains glucose as the only sugar present. This means that the juice solely consists of glucose molecules.
- Glucose characteristics: As mentioned earlier, glucose is a monosaccharide and a fundamental energy source. It is a crucial component in cellular respiration and serves as a building block for more complex carbohydrates.
- Taste and sweetness: Sample B will have a sweet taste due to the presence of glucose. The sweetness level may vary depending on the concentration of glucose in the juice.

Sample C:
- Glucose as the only sugar present: Sample C, like the previous two samples, contains only glucose as the sugar component. This indicates that the juice is composed exclusively of glucose molecules.
- Glucose characteristics: Glucose, being a monosaccharide, is readily absorbed by the body and utilized as an energy source. It is an essential carbohydrate for various metabolic processes.
- Taste and sweetness: Sample C will exhibit a sweet taste due to the presence of glucose. The degree of sweetness may vary depending on the concentration of glucose in the juice.

Conclusion:
In summary, the three samples of juices (A, B, and C) consist solely of glucose as the only sugar present. Glucose, being a monosaccharide, is a fundamental energy source and has a sweet taste. The sweetness level may vary depending on the concentration of glucose in each juice sample.