tRNA abbreviated as A transfer RNA is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length, that serves as the physical link between the mRNA and the amino acid sequence of proteins.

She don't speak either German or French is the correct sentence in English.

There are basically two important phases in a business cycle that are prosperity and depression. The other phases that are expansion, peak, trough and recovery are intermediary phases.

Expansion is a phase in which, when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak.

When exports are greater than imports, net exports are positive and similarly, when imports are greater than exports, net exports are negative.

When a country imports goods, it buys them from foreign producers. The money spent on imports leaves the economy, and that decreases the importing nation's GDP.

True, Animals in the Taiga and Alpine Biomes hibernate during winter.

The animals in taiga and alpine biomes have several different kind of adaptations for survival. Some animals that hibernate during the winter take the help of camouflage to protect itself from enemies. During this period of hibernation, they slow their rate of metabolism and also use less amount of energy to survive the harsh weather.

Yes, we know that water is a universal solvent.

Water can moderate temperature because of the two properties: high-specific heat and the high heat of vaporization.

Water is a polar molecule that has a high level of polarity and attraction to ions and other polar molecules.

Hence, all the above given options are the properties of water.

The Mayans were an ancient civilization located in what is known as Mesoamerica, a geographical region comprised of Mexico and parts of Central America. They were extremely adept in matters of mathematics, astronomy, and art, and architecture.

The Mayan pyramids and temples were built with bricks and covered with limestone.