Class name Subject Book title Chapter number Content Created at
Class XII Chemistry Chemistry-II 4 do primary amines have higher boiling point than tertiary amines? (iii) Why are aliphatic amines stronger bases than aromatic amines? Answers to So...
Class XII Chemistry Chemistry-II 5 chain structure is as shown. It also exists in two cyclic forms which are obtained by the addition of —OH at C5 to the ( ) group. The ring, thus fo...
Class XII Chemistry Chemistry-II 5 Unit Biomolecules Objectives After studying this Unit, you will be able to • explain the characteristics of “It is the harmonious and synchronous p...
Class XII Chemistry Chemistry-II 5 not fit in this definition. A large number of their reactions have shown that they contain specific functional groups. Chemically, the carbohydrate...
Class XII Chemistry Chemistry-II 5 and if it contains a keto group, it is known as a ketose. Number of carbon atoms constituting the monosaccharide is also introduced in the name as ...
Class XII Chemistry Chemistry-II 5 hydrogen cyanide to give cyanohydrin. These reactions confirm the presence of a carbonyl group (>C = O) in glucose. 4. Glucose gets oxidised to six...
Class XII Chemistry Chemistry-II 5 compound indicate the relative configuration of a particular stereoisomer of a compound with respect to configuration of some other compound, confi...
Class XII Chemistry Chemistry-II 5 of one glucose (I) is linked to C4 of another glucose unit (II). The free aldehyde group can be produced at C1 of second glucose in solution and it...
Class XII Chemistry Chemistry-II 5 the next glucose unit. (iii) Glycogen: The carbohydrates are stored in animal body as glycogen. It is also known as animal starch because its struc...
Class XII Chemistry Chemistry-II 5 The word protein is derived from Greek word, “proteios” which means primary or of prime importance. All proteins are polymers of a-amino acids. 10....
Class XII Chemistry Chemistry-II 5 S 14. Cysteine HS-CH -2 Cys C 15. Methionine* H3C-S-CH 2CH 2 Met M 16. Phenylalanine* C6H5-CH2- Phe F 17. Tyrosine (p)HO-C6H4-CH2- Tyr Y –CH 2 18. ...
Class XII Chemistry Chemistry-II 5 10.2.3 Structure You have already read that proteins are the polymers of -amino acids of Proteins and they are connected to each other by peptide b...
Class XII Computer Science Computer Science 6 search it in the dictionary? 1. in the first half? 2. around the middle? 3. in the second half? It is certainly more prudent to look for the word i...
Class XII Chemistry Chemistry-II 5 secondary, tertiary and quaternary, each level being more complex than the previous one. (i) Primary structure of proteins: Proteins may have one o...
Class XII Chemistry Chemistry-II 5 Fig. 10.2: -Pleated sheet structure o(iv) Quaternary structure of proteins: Some of the proteins proteins are composed of two or more polypeptide c...
Class XII Chemistry Chemistry-II 5 the body under very mild conditions. This occurs with the help of certain biocatalysts called enzymes. Almost all the enzymes are globular proteins...
Class XII Chemistry Chemistry-II 5 compounds required in the diet in small amounts to perform specific biological functions for normal maintenance of optimum growth 295 Biomolecules ...
Class XII Chemistry Chemistry-II 5 of appe- (Thiamine) vegetables and cereals tite, retarded growth) 3. Vitamin B 2 Milk, eggwhite, liver, Cheilosis (fissuring at (Riboflavin) kidney...
Class XII Computer Science Computer Science 1 jumping to that part of the program (exception handler code) which is written to handle such exceptional situations. 1.5.1 The raise Statement The ...
Class XII Chemistry Chemistry-II 5 an elegantly simple structure that resembles a gently twisted ladder. The rails of the ladder are made of alternating units of phosphate and the su...
Class XII Chemistry Chemistry-II 5 Phosphate Sugar n Information regarding the sequence of nucleotides in the chain of a nucleic acid is called its primary structure. Nucleic acids h...
Class XII Chemistry Chemistry-II 5 is same for every cell and cannot be altered by any known treatment. DNA fingerprinting is now used (i) in forensic laboratories for identification...
Class XII Chemistry Chemistry-II 5 growth and development. Thyroxine produced in the thyroid gland is an iodinated derivative of amino acid tyrosine. Abnormally low level of thyroxin...
Class XII Chemistry Chemistry-II 5 important source of energy for mammals, is obtained by the digestion of starch. Monosaccharides are held together by glycosidic linkages to form di...
Class XII Chemistry Chemistry-II 5 which actually carry out the protein synthesis in the cell. Exercises 10.1 What are monosaccharides? 10.2 What are reducing sugars? 10.3 Write two ...