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Chapters
2: Solutions
3: Electrochemistry
4: Chemical Kinetics
5: Surface Chemistry
6: General Principles and Processes of Isolation of Elements
7: The p-block Elements
8: The d-block and f-block Elements
9: Coordinate Compounds
10: Haloalkanes and Haloarenes
11: Alcohols, Phenols and Ethers
12: Aldehydes, Ketones and Carboxylic Acids
13: Amines
▶ 14: Biomolecules
15: Polymers
16: Chemistry in Everyday Life
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Solutions for Chapter 14: Biomolecules
Below listed, you can find solutions for Chapter 14 of CBSE, Karnataka Board PUC NCERT for Chemistry [English] Class 12.
NCERT solutions for Chemistry [English] Class 12 14 Biomolecules Intext Questions [Pages 412 - 422]
Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain.
What are the expected products of hydrolysis of lactose?
How do you explain the absence of aldehyde group in the pentaacetate of D-glucose?
The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain.
Where does the water present in the egg go after boiling the egg?
Why Vitamin C cannot be stored in our body ?
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?
NCERT solutions for Chemistry [English] Class 12 14 Biomolecules Exercises [Page 423]
What are monosaccharides?
What are reducing sugars?
Write two main functions of carbohydrates in plants.
Classify the following into monosaccharides and disaccharides.
Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose
Define the following term:
Glycosidic linkage
What is glycogen? How is it different from starch?
What are the hydrolysis products of sucrose
What are the hydrolysis products of lactose?
What is the basic structural difference between starch and cellulose?
What happens when D-glucose is treated with the following reagent?
HNO3
What happens when D-glucose is treated with the following reagent?
HI
Write the reactions involved when D-glucose is treated with the following reagent:
Br2 water
Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.
What are essential and non-essential amino acids? Give two examples of each type.
Define the following as related to proteins
Peptide linkage
Define the following term as related to proteins:
Primary structure
Define the following terms as related to proteins:
Denaturation
What are the common types of secondary structure of proteins?
What type of bonding helps in stabilising the ∝-helix structure of proteins?
Differentiate between the following :
Fibrous proteins and Globular proteins
How do you explain the amphoteric behaviour of amino acids?
What are enzymes
What is the effect of denaturation on the structure of proteins?
How are vitamins classified? Name the vitamin responsible for the coagulation of blood.
Why are vitamin A and vitamin C essential to us? Give their important sources.
What are nucleic acids?
Mention two important functions of nucleic acids.
What is the difference between a nucleoside and nucleotide?
The two strands in DNA are not identical but are complementary. Explain.
Write the important functional differences between DNA and RNA.
Write the important structural differences between DNA and RNA.
What are the different types of RNA found in the cell?
Solutions for 14: Biomolecules
NCERT solutions for Chemistry [English] Class 12 chapter 14 - Biomolecules
Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Chemistry [English] Class 12 CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Chemistry [English] Class 12 CBSE, Karnataka Board PUC 14 (Biomolecules) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Chemistry [English] Class 12 chapter 14 Biomolecules are Introduction of Carbohydrates, Classification of Carbohydrates, Monosaccahrides, Importance of Carbohydrates, Introduction of Proteins, Amino Acids, Structure of Proteins, Introduction of Vitamins, Introduction of Nucleic Acids, Preparation of Glucose, Structures of Glucose, Disaccharides - Sucrose, Maltose and Lactose, Polysaccharides - Starch, Cellulose and Glycogen, Classification of Amino Acids, Introduction of Enzymes, Mechanism of Enzyme Action, Denaturation of Proteins, Structure of Fructose, Classification of Vitamins, Chemical Composition of Nucleic Acids, Structure of Nucleic Acids, Biological Functions of Nucleic Acids, Biomolecules Numericals, Peptide, Oligosaccharides, Polysaccharides, Chemical Coordination, Lipids and Hormones, Introduction of Carbohydrates, Classification of Carbohydrates, Monosaccahrides, Importance of Carbohydrates, Introduction of Proteins, Amino Acids, Structure of Proteins, Introduction of Vitamins, Introduction of Nucleic Acids, Preparation of Glucose, Structures of Glucose, Disaccharides - Sucrose, Maltose and Lactose, Polysaccharides - Starch, Cellulose and Glycogen, Classification of Amino Acids, Introduction of Enzymes, Mechanism of Enzyme Action, Denaturation of Proteins, Structure of Fructose, Classification of Vitamins, Chemical Composition of Nucleic Acids, Structure of Nucleic Acids, Biological Functions of Nucleic Acids, Biomolecules Numericals, Peptide, Oligosaccharides, Polysaccharides, Chemical Coordination, Lipids and Hormones.
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