The type of bond involved in the formation of sodium chloride, is
Ester bond
Peptide bond
Ionic bond
Covalent bond
Related Questions
Agar, a polysaccharide extracted from certain red algae, is widely used as a solidifying agent in microbiological media. Which of the following structural features contributes most to agar's gelling properties?
High degree of branching similar to glycogen.
Presence of β(1→4) glycosidic linkages exclusively.
The presence of sulfated galactose residues and the formation of double helices.
Its ability to form highly crystalline structures similar to cellulose.
Inulin, a storage polysaccharide found in some plants, differs from starch in several key aspects. Which of the following statements accurately describes a major difference between inulin and starch?
Inulin is a branched polymer, while starch is strictly linear.
Inulin is primarily found in animals, while starch is found in plants.
Inulin forms a helical structure, while starch forms a sheet-like structure.
Inulin is composed of fructose units linked by β(2→1) glycosidic bonds, while starch primarily consists of glucose units linked by α(1→4) and α(1→6) bonds.
The type of bond involved in the formation of sodium chloride, is
Ester bond
Peptide bond
Ionic bond
Covalent bond
The structural polysaccharide peptidoglycan, a key component of bacterial cell walls, possesses a unique feature that distinguishes it from other polysaccharides. This feature is:
The presence of α(1→6) glycosidic linkages.
The exclusive use of glucose as its monomeric unit.
The presence of short peptide chains cross-linking the polysaccharide chains.
Its ability to form triple helices.
Glycogen, the primary storage polysaccharide in animals, exhibits a highly branched structure. Which of the following best explains the significance of this branching for its function?
Branching increases the structural rigidity of glycogen, enabling it to form strong fibers.
Branching decreases the osmotic pressure exerted by glycogen within cells.
Branching facilitates the transport of glycogen across cell membranes.
Branching allows for rapid hydrolysis by providing multiple sites for enzyme action, crucial for quick energy release.
Hyaluronic acid, a glycosaminoglycan found in connective tissues, exhibits unique viscoelastic properties. Which combination of structural features contributes most significantly to these properties?
Branched structure with α(1→6) linkages, and high sulfate content.
Repeating disaccharide units containing glucuronic acid and N-acetylglucosamine, along with extensive hydration.
Linear structure with β(1→4) linkages, and hydrophobic interactions.
Presence of fucose residues and formation of triple helices.
Name the disaccharide which is the major sugar of insect haemolymph
Trehalose
Chitin
Cellulose
All of these
Double sugar is
Monosaccharide
Disaccharide
Polysaccharide
Oligosaccharide
Which structural characteristic of cellulose prevents it from forming a blue color with iodine?
α-1,4-glycosidic linkages
β-1,4-glycosidic linkages
Presence of fructose units
Branched polymer structure
Iodine forms a blue color complex with starch but not with cellulose. This difference is primarily due to:
The presence of branching in cellulose.
The higher molecular weight of cellulose.
Difference in glycosidic linkages and resulting structural conformations.
The different monomer composition of cellulose and starch.
