Biochem Basics of Carbohydrates Quiz

Answer: Galactose

Galactose is a simple sugar. Sucrose, maltose, and lactose are all disaccharides or two simple sugars bonded together.

Answer: C6 H12 O6

Glucose is a 6-carbon sugar. CO2 is carbon dioxide. C12 H22 O11 is a disaccharide. C H3 OH is methanol or methyl alcohol.

Answer: 2 glucose

Maltose, or malt sugar, is made from 2 glucose molecules bonded together. Glucose and galactose bonded together form lactose.

Answer: Lactose

Lactose is the disaccharide found in milk. It is made of the simple sugars galactose and glucose. Dextrose is another name for glucose, which are both simple sugars.

Answer: Glucose & fructose

Sucrose is a disaccharide composed of one glucose molecule bonded together with one fructose molecule. Sucrose is a common sugar. It is white table sugar and often the sugar found in fruit.

Answer: Starch

Starch is the carbohydrate storage product in plants. Glycogen and cellulose are also polysaccharides (long chains of simple sugars). Glucose is a simple sugar and is not usually used for long term carbohydrate storage.

Answer: Cellulose

Cellulose is a carbohydrate used as supporting material in plants. Starch is the carbohydrate storage product in plants, and glycogen is carbohydrate storage in animals. Glucose is a simple sugar that is likely to be the building blocks in a polysaccharide.

Answer: As glycogen in liver & muscles

When animals need a quick supply of sugar for energy, glycogen in the liver and muscles is quickly converted to glucose.

Answer: Protein

Proteins are a nutrient class separate from carbohydrates. Polysaccharide (a long chain of simple sugars), pentose (5-carbon sugar), and galactose (a simple 6-carbon sugar) are all carbohydrates.

Answer: Hydrolysis

Hydrolysis adds water to a long chain molecule, creating many smaller molecular building blocks. Condensation and dehydration synthesis are the opposite reaction of hydrolysis. Photosynthesis creates glucose from carbon dioxide and water using the sun's energy.