NCERT Books for Class 12 Chemistry Chapter 14 - Free PDF Download
FAQs on NCERT Books Free Download for Class 12 Chemistry Chapter 14 - Biomolecules
1. How to download Class 12 Chemistry Chapter 14 NCERT Book for CBSE?
Students can download it from Vedantu. On this page, Students can download Class 12 Chemistry Chapter-14 PDF Solutions of the Book.
2. What is the effect of denaturation on the structure of proteins?
As a result of denaturation, globules get unfolded and helices get uncoiled. Secondary and tertiary structures of the protein are destroyed, but the primary structures remain unaltered. It can be said that during denaturation, secondary and tertiary-structured proteins get converted into primarily structured proteins. Also, as the secondary and tertiary structures of a protein are destroyed, the enzyme loses its activity
3. Why are vitamin A and vitamin C essential to us? Give their important sources
The deficiency of vitamin A leads to xerophthalmia (hardening of the cornea of the eye) and night blindness. The deficiency of vitamin C leads to scurvy (bleeding gums) The sources of vitamin A are fish liver oil, carrots, butter, and milk. The sources of vitamin C are citrus fruits, amla, and green leafy vegetables.
4. What are nucleic acids?
Nucleic acids are biomolecules found in the nuclei of all living cells, as one of the constituents of chromosomes. There are mainly two types of nucleic acids: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Nucleic acids are also known as polynucleotides as they are long-chain polymers of nucleotides
5. What are the two important functions of nucleic acids?
Two main functions of nucleic acids are:
DNA is responsible for the transmission of inherent characters from one generation to the next. This process of transmission is called heredity.
Nucleic acids (both DNA and RNA) are responsible for protein synthesis in a cell. Even though the proteins are synthesized by the various RNA molecules in a cell, the message for the synthesis of a particular protein is present in DNA.