Chemistry · Textbook solutions

Biomolecules

Every solved example, exercise, and miscellaneous question — in the order the textbook teaches them. · 33 questions

Intext Questions

8 q

Intext 10.1 $Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain.$
Intext 10.2 $What are the expected products of hydrolysis of lactose?$
Intext 10.3 $How do you explain the absence of aldehyde group in the pentaacetate of D-glucose?$
Intext 10.4 $The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain.$
Intext 10.5 $Where does the water present in the egg go after boiling the egg?$
Intext 10.6 $Why cannot vitamin C be stored in our body?$
Intext 10.7 $What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?$
Intext 10.8 $When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?$

Exercises

25 q

Ex 10.1 $What are monosaccharides?$
Ex 10.2 $What are reducing sugars?$
Ex 10.3 $Write two main functions of carbohydrates in plants.$
Ex 10.4 $Classify the following into monosaccharides and disaccharides. Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose.$
Ex 10.5 $What do you understand by the term glycosidic linkage?$
Ex 10.6 $What is glycogen? How is it different from starch?$
Ex 10.7 $What are the hydrolysis products of (i) sucrose and (ii) lactose?$
Ex 10.8 $What is the basic structural difference between starch and cellulose?$
Ex 10.9 $\text{HI}$
Ex 10.10 $Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.$
Ex 10.11 $What are essential and non-essential amino acids? Give two examples of each type.$
Ex 10.12 $Define the following as related to proteins (i) Peptide linkage (ii) Primary structure (iii) Denaturation.$
Ex 10.13 $What are the common types of secondary structure of proteins?$
Ex 10.14 $\alpha$
Ex 10.15 $Differentiate between globular and fibrous proteins.$
Ex 10.16 $How do you explain the amphoteric behaviour of amino acids?$
Ex 10.17 $What are enzymes?$
Ex 10.18 $What is the effect of denaturation on the structure of proteins?$
Ex 10.19 $How are vitamins classified? Name the vitamin responsible for the coagulation of blood.$
Ex 10.20 $Why are vitamin A and vitamin C essential to us? Give their important sources.$
Ex 10.21 $What are nucleic acids? Mention their two important functions.$
Ex 10.22 $What is the difference between a nucleoside and a nucleotide?$
Ex 10.23 $The two strands in DNA are not identical but are complementary. Explain.$
Ex 10.24 $Write the important structural and functional differences between DNA and RNA.$
Ex 10.25 $What are the different types of RNA found in the cell?$