7. What happens during the hydrolysis of maltose? a. water is removed from maltose b. water is added to maltose c. carbon dioxide is removed form maltose d. oxygen is added to maltose 8. What is glucose? a. a monosaccharide b. a disaccharide 9. What disaccharide is formed from a ß, 1->4 glycosidic linkage between galactose and glucose? a. sucrose b. glycogen c. a polysaccharide d. a protein a. amylose b. chitin 10. Which of the following polysaccharides is used for energy storage in animals? c. lactose d. maltose c. phosphattidyl ethanolamine d. all of the above c. glycogen d. cellulose 11. Which of the following lipids is a polyunsaturated fatty acid? a. butyric acid b. linoleic acid c. oleic acid d. stearic acid 12. Which of the following substances is derived from fatty acids? a. triglycerides b. beeswax
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
Biomolecules
Carbohydrates, protein,lipids and nucleic acids are the major biomolecules , that constitute the cell structure and have important functions in our body.
These are the macromolecules, that are polymers (except lipids )formed from polymerization of single subunits called monomers.
Glucose, fructose and galactoseare single units, whereas sucrose, galactose , maltose are disaccharides.
Lipids are glycerol esterified with fatty acids. There are simple and compounds lipids.
Proteins are polymers of amino acid.
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