Carbohydrates and Biomolecules

Glucose is a chemical compound with a fixed chemical formula (C6H12O6), meaning its composition is constant. Tea, milk, and jam are mixtures with variable compositions depending on their preparation.

 Primary cell wall in plants is composed of polysaccharides namely cellulose, pectin and cross-linking glycans.

In the presence of lactase, lactose breaks down into molecules ofglucose and galactose, which can then be metabolised to produce energy. 

If you chew on a piece of bread long enough, it will begin to taste sweet because amylase is breaking down starches to disaccharides. 

sugar content is more in sugar cane.

Lactose is a disaccharide found in milk. It is composed of ± - D - galactose and ± - D - glucose.

The carbohydrates are stored in animal body as glycogen. It is also known as animal starch.

Saccharin, is the first popular artificial sweetening agent. It is about 550 times as sweet as cane sugar Sucrose (cane sugar) is a natural sweetener.

In sucrose two monosaccharides are joined together by glycosidic linkage between C1 of α-glucose and C2 of β-fructose.

Zymase converts glucose and fructose into ethyl alcohol.

The organic compound citrulline is an α-amino acid. Although citrulline is not coded for by DNA directly, several proteins are known to contain citrulline as a result of a posttranslational modification.

Yes, it is correct. Carbohydrates are source of energy. The glucose burns to release energy. It can be added directly into blood stream through intravenous drip. This enables patients to gain energy immediately and recovers at a faster rate.

The sugars that are found in nucleic acids are pentose sugars. A pentose sugar has five carbon atoms. In RNA, ribose is found.

The major structural component of the cell wall is peptidoglycan, which is a complex molecule that is composed of alternating units of N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) and is cross-linked by short peptides.

Sucrose and starch are more efficient in energy storage as compared to glucose and fructose, but starch is insoluble in water. So, it cannot be transported via phloem. Sucrose, being water soluble and energy efficient, is chosen to be the carrier of energy from leaves to different parts of a plant.