Table of Contents
- 1 Is water a disaccharide?
- 2 What are 5 examples of monosaccharides?
- 3 Are all polysaccharides soluble in water?
- 4 What are the 4 types of monosaccharides?
- 5 Which of the following are not examples of monosaccharides?
- 6 What is a common monosaccharide?
- 7 What kind of bond is formed between two monosaccharides?
- 8 Which is an example of a monosaccharide produced in milk?
Is water a disaccharide?
A disaccharide (also called a double sugar or biose) is the sugar formed when two monosaccharides are joined by glycosidic linkage. Like monosaccharides, disaccharides are simple sugars soluble in water….Common disaccharides.
| Disaccharide | Trehalose |
|---|---|
| Unit 1 | Glucose |
| Unit 2 | Glucose |
| Bond | α(1→1)α |
What are 5 examples of monosaccharides?
Examples of monosaccharides include glucose (dextrose), fructose, galactose, xylose and ribose. Monosaccharides are the building blocks of disaccharides like sucrose (common sugar) and polysaccharides (such as cellulose and starch).
Which is not a monosaccharide?
The correct answer is option (D) Sucrose. Sucrose is not a monosaccharide. Sucrose consists of glucose and galactose. Hence, sucrose is a disaccharide.
What monosaccharides make disaccharides?
Disaccharides form when two monosaccharides undergo a dehydration reaction (a condensation reaction); they are held together by a covalent bond. Sucrose (table sugar) is the most common disaccharide, which is composed of the monomers glucose and fructose.
Are all polysaccharides soluble in water?
Polysaccharides display a wide range of solubility; some are water insoluble, e.g., cellulose; some are only hot water soluble, e.g., starch; and some are readily dissolved in cold water, such as pullulan and gum arabic. Polysaccharides have strong affinity to water molecules due to the presence of multi-OH groups.
What are the 4 types of monosaccharides?
The main monosaccharides are the hexoses (simple sugars in which the molecules contain six carbon atoms)—these include glucose (known also as dextrose), fructose1 (commonly called levulose), galactose, and mannose (Eliasson, 2016).
What is Trisaccharide and examples?
An example of an oligosaccharide is raffinose. Raffinose is a trisaccharide, meaning it is made up of three monomers of monosaccharides, namely galactose, glucose, and fructose. Raffinose occurs in legumes, whole grains, cabbage, brussel sprouts, broccoli, cotton seed, molasses of beet root, asparagus, etc.
What are 3 common monosaccharides?
The three most common monosaccharides are glucose, fructose, and galactose.
Which of the following are not examples of monosaccharides?
(c) Glucose is a monosaccharide as it contains carbon atoms varying from three to eight. (d) Pectin is not a monosaccharide as it contains many monosaccharide units. So options a, b, and c are monosaccharides. Hence, the correct option is (d) Pectins.
What is a common monosaccharide?
The three most common monosaccharides are glucose, fructose, and galactose. In addition to these three sugars, the monosaccharide category also includes sugar alcohols and pentoses.
What type of macromolecule is water?
Comparing the Biological Macromolecules
| Macromolecule | Basic Formula, key features | Uses |
|---|---|---|
| Lipids | C:H:O Greater than 2:1 H:O (carboxyl group) | Energy storage; Protection; Chemical messengers; Repel water |
| Carbohydrates | C:H:O 1:2:1 | Energy storage; Structure |
| Nucleic Acids | CHONP pentose, nitrogenous base, phosphate | Genetic information |
Why are monosaccharides so soluble in water?
Monosaccharides are quite soluble in water because of the numerous OH groups that readily engage in hydrogen bonding with water. Why monosaccharides are sweet in taste while polysaccharides are not?
What kind of bond is formed between two monosaccharides?
During this process, the hydroxyl group of one monosaccharide combines with the hydrogen of another monosaccharide, releasing a molecule of water and forming a covalent bond. A covalent bond formed between a carbohydrate molecule and another molecule (in this case, between two monosaccharides) is known as a glycosidic bond.
Which is an example of a monosaccharide produced in milk?
Sucrose is one fructose molecule connected to a glucose molecule through a glycosidic bond. Galactose is a monosaccharide produced in many organisms, especially mammals. Mammals use galactose in milk, to give energy to their offspring. Galactose is combined with glucose to form the disaccharide lactose.
How are monosaccharides related to the aldose family?
Because it is at the end of the molecule, glucose is in the aldose family. Typically, monosaccharides with more than 5 carbons exist as rings in solutions of water. The hydroxyl group on the fifth carbon will react with the first carbon. The hydroxyl group gives up its hydrogen atom when it forms a bond with the first carbon.