Questions

In DNA, adenine pairs with Thymine. Similarly, in RNA, due to absence of thymine in RNA and the same structure with uracil helps to pair with adenine.

The two functional groups Amine and carboxyl groups are always found in amino acids.

Biological membranes are composed of phospholipids, Proteins and Carbohydrate groups attached to lipids and proteins.

Glass is made from heating of sand. To melt sand to make glass, the temperature needed is above 1800 deg celcius.

We all human beings i.e man or woman.

As baby we crawl, as an adult we walk and as old aged we use walking stick for support.

Laterite soils are a tropical soil and possess a great amount of iron and aluminum. Due to its high iron oxide content they look like rusty-red coloration.