ntaexam

Enzymes are special proteins. Like all proteins, enzymes are made up of chains of amino acids. Enzyme function is determined by the amino acid sequence, the amino acid type, and the shape of the chain. … Read more

Negaraku is the National Anthem of Malaysia. It was selected as a national anthem at the time of the Federation of Malaya’s independence from the UK in 1957. The tune was originally used as the regional anthem of … Read more

Tribes that were nomadic initially called Kazakhstan home. The territory was conquered by the Mongol Empire in the thirteenth century and became a part of the Kazakh Khanate. Taraz and Turkestan were developed at this … Read more

Heliodor is a gemstone belonging to the beryl family, which also includes such famous gems as emerald and aquamarine. It is a relatively rare and lesser known gem compared to similar stones, but it has … Read more

Roald Amundsen (1872–1928) was an Arctic and Antarctic explorer. He led the first expedition to Antarctica and was the first person to visit both the North and South Poles. Occupation Explorer Nationality Norwegian Born July … Read more

There are two main types of aquatic biomes, marine and freshwater. Freshwater biomes are defined as having low salt content compared to marine biomes that are saltwater such as oceans. There are three main types … Read more

Vanadium is the 1st element in the 5th column of the periodic table. It is classified as a transition metal. The vanadium atom has 23 electrons and 23 protons. There are 28 neutrons in the … Read more