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Spam Question drives traffic to external sites for promotional or commercial purposes. Irrelevant The Question is not relevant to User. Answer Key Links. IMO Answer Key November 7, 8, Ch 13 Maths Class 10 Pdf Joint Ch Class 10 Maths Ch 6 Pdf Mac 13 Maths Class 10 Pdf Joint 21 and 22, December 5 and 6, Schools in Karnataka.

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Hindi Medium Schools in India. Government Schools in India. Private Aided Schools in India. Private Unaided Schools in India. Each Ch 13 Maths Class 10 Pdf Joint Ch 13 Maths Class 10 Pdf Joint polypeptide in a protein has amino acids linked with each other in a specific sequence which is known Ch 13 Maths Class 10 Pdf Joint as primary structure of protein.

Secondary structure of proteins : The conformation which the polypeptide chains assume as a result of hydrogen bonding is called the secondary structure of the protein. Depending upon the size of the R groups, the two different secondary structures are possible which are :. Explain what is meant by i a peptide linkage, ii a glycosidic linkage. Name the bases present in RNA. Which one Ch 13 Maths Class 10 Pdf Joint of these is not present in DNA? Explain what is meant by the following : i peptide linkage Ch 13 Maths Class 10 Pdf Joint ii pyranose structure of glucose All India Answer: i Peptide linkage: A peptide linkage is an amide linkage formed between � COOH group of one a-amino acid and NH 2 group of the other a-amino Ch 13 Maths Class 10 Pdf Joint acid by loss of a molecule of water.

Write such reactions and facts about glucose which cannot be explained by its open chain structure. All India Answer: Limitations of the open chain structure of Ch 13 Maths Class 10 Pdf Joint Ch 13 Maths Class 10 Pdf Joint glucose :. Write any two reactions of glucose which cannot be explained by the open chain structure of glucose molecule. Of the two bases, thymine and uracil, which one is present in DNA?

Write Ch 7 Maths Class 10 Ncert Solutions Pdf down the Ch 13 Maths Class 10 Pdf Joint structures and names of the products formed when D-glucose is treated with i Hydroxylamine ii Acetic anhydride. All Ch 13 Maths Class 10 Pdf Joint India Answer: i D-glucose reacts with hydroxylamine to form oxime. Name one disease that is caused due to the deficiency of this vitamin. Write down the structures and names of the products formed when D-glucose is treated with i Bromine water ii Hydrogen Iodide Prolonged heating. Answer the following questions: Ch 13 Maths Class 10 Pdf Joint Ch 13 Maths Class 10 Pdf Joint i Why are vitamin A and vitamin C essential for us?

Delhi Answer: i Because deficiency of vitamin A and vitamin C causes night blindness and scurvy respectively. Enumerate the reactions of glucose which cannot be explained by its open chain structures. Delhi Answer: Limitations of the open chain structure of glucose :. Write the ambident nucleophiles?

Give an example. Delhi Answer: A group containing two nucleophilic centres. Amino acids may be acidic, alkaline or neutral.

How does this happen? What are essential and non-essential amino acids? Name one of each type. All India Answer: Amino acids can be broadly classified into three classes Ch Pdf 10 Maths Class Joint 13 i. Acidic amino acids : Those a-amino acids such as aspartic acid, asparagine and glutamic acid which contain Ch 13 Maths Class 10 Pdf Joint two -COOH groups and one -NH 2 group are called acidic amino acids. Alkaline or Basic amino acids : Those a-amino acids such as lysine, arginine and histidine which contain two -NH 2 groups and one -COOH group, are called basic amino acids.

Neutral amino acids : Those a-amino acids such as glycine, alanine, valine etc. Essential amino acids : Amino acids which the body cannot synthesize are called essential amino acids.

Differentiate between fibrous proteins and globular proteins. What is meant by the denaturation of a protein? Polypeptide chains of fibrous proteins consist of thread like molecules which tend to lie side by side to form fibres. Globular proteins are soluble in water.

Fibrous proteins are insoluble in water. Globular proteins are sensitive Ch 13 Maths Class 10 Pdf Joint to small changes of temperature and pH. Fibrous proteins are stable to moderate changes of temperature and pH. They do not have any biological activity but serve as chief structural material of animal tissues. Example: Maltase, invertase etc. Example: Keratin in skin, hair, nails and wool, collagen in tendons, fibroin in Ch 13 Maths Class 10 Pdf Joint silk etc. Denaturation of protein : Due to coagulation of globular protein under the influence of change in temperature, change in pH etc.

What is essentially the difference between a-glucose and P-glucose? What is meant by Ch 13 Maths Class 10 Pdf Joint pyranose structure of glucose? All India Answer: The two cyclic hemiacetal forms of glucose differ only in the configuration of the hydroxyl group on the first carbon atom called anomeric carbon.

Such isomers i. The six membered cyclic structure of glucose is called pyranose structure. Pyranose structure of glucose : The six membered ring containing 5 carbon atoms and one oxygen atom because of its resemblance with pyron is called the pyranose form. Also study the following :. Define the following as related to proteins : i Peptide linkage ii Primary structure iii Denaturation All India Answer: i Peptide linkage : A peptide linkage is an amide linkage formed between � COOH group of one a-amino acid and NH 2 group of the other a-amino acid by loss of a molecule of water.

The-CO-NH-bond formed is called petide linkage. Each polypeptide Ch 13 Maths Class 10 Pdf Joint in a protein has amino acids linked with each other in a specific sequence and it is Ch 13 Maths Class 10 Pdf Joint this sequence of amino acids that is called the primary structure of that protein.

What are the different types of RNA found in cells of organisms? State the functions of each type. Give two examples Ch 13 Maths Class 10 Pdf Joint of each type. Delhi Answer: a Non-essential amino acids : The amino acids which can be synthesised in Ch 13 Maths Class 10 Pdf Joint Ch 13 Maths Class 10 Pdf Joint the body, are known as non-essential amino acids. Example : Glycine, Alanine etc. Essential amino acids : The amino Ch 13 Maths Class 10 Pdf Joint acids which cannot be synthesised in the body and must be obtained through diet are known as essential amino acids.

Example : Valine, Leucine etc. Delhi Answer: a Structural difference :. Delhi Answer: a. This shrinking of egg is called plasmolysis. All India Answer: a Hormones are synthesized in our body and help in Ch 13 Maths Class 10 Pdf Joint regulation of our body systems while vitamins are synthesized artificially in the laboratory or obtained from the Ch 13 Maths Class 10 Pdf Joint food which helps in controlling many diseases. Give two examples of each. All India Answer: a Non-essential amino acids : The amino acids which can be synthesised in the body, are known as non-essential amino acids.

What does it suggest about the structure of glucose? Delhi Answer: i Vitamin A causes night blindness. Delhi Answer: i Deficiency of Vitamin D causes rickets. Delhi Answer: i Vitamin C causes scurvy. Define the following terms as related to proteins : i Peptide linkage ii Primary structure iii Denaturation All India Answer: i Peptide linkage : A peptide linkage is an amide linkage formed between � COOH group of Ch 13 Maths Class 10 Pdf Joint one a-amino acid and NH 2 group of the other a-amino acid by loss of a molecule of water.

Define the following terms : i Glycosidic linkage ii Invert sugar iii Oligosaccharides All India Answer: i Glycosidic linkage : The two monosaccharide units are joined together through an etheral or oxide linkage formed by loss of a molecule of water. HC1 or the enzyme invertase or sucrase is called invert sugar.

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