Question

Hydrogen bonds play an important role in life. Give 6 example where hydrogen bonds play a role in biological structures or systems, directly or indirectly.

Answer 1

Hydrogen bonds :- The hydrogen bond is the chemical bond  in which a hydrogen atom is attracted to an electromagnetic atom. These bond provided structural stibility and conformation of differnt biological molecules.

Examples : Here are some hydrogen bond examples-

  1. Hydrogen bonding takes place famously between water molecules. When one molecule of water draws another the 2 can bond collectively. This bond is liable for the crystal shape of ice, which permits it to go with the flow.

2. Human DNA is an exciting example of a hydrogen bond. In fact, the hydrogen bonding that takes place among base pairs in a strand of DNA effects in DNA's familiar double helix form. This hydrogen bond actually enables the replication of DNA strands.

3. Cellulose is an organic compound found in trees, cotton, and dried hemp, and used to make paper, textiles, rayon, and cellophane. Hydrogen bonds are important to maintaining the shape and form of the cellulose compound.
4. Hydrogen bonds also present in alcohols. Ethanol is one such alcohol that contain hydrogen bonds.

5. Ammonia is an example of hydrogen bonding. In ammonia, the hydrogen bond is relatively weak. This is simply because each nitrogen has one lone pair, which is not enough for all of the hydrogen atoms present.

  6.  Hydrogen bonds also present in proteins, result in a phenomenon known as "protein folding." In order to make a functional shape, a protein has to fold itself. The intra-molecular hydrogen bond is necessary to hold their shape and remain stable.