1- Essential amino acids cannot be made by the body. As a result, they must come from food. 2- The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Refer to the non-essential amino acids list below: If you fail to obtain even just…
Reptiles have on a number of occasions evolved into limbless forms – snakes, amphisbaenia, and legless lizards (limb loss in lizards has evolved independently several times, examples include the families Pygopodidae and Dibamidae and species of Isopachys, Anguis, and Ophisaurus). Well, you know the animal is a reptile already, and…
1- Libya – 91.0 % 2- Syria – 85.0 % 3- Tunisia – 81.8 % 4- Iraq – 79.3 % 5- Egypt – 74.0 % 6- Algeria – 72.6 % 7- Morocco – 67.1 % 8- Yemen – 66.0 % AddThis Sharing Buttons. From South Sudan to Nepal, several countries…
1- A raised weight. 2- Water that is behind a dam. 3- A car that is parked at the top of a hill. 4- A yoyo before it is released. 5- River water at the top of a waterfall. 6- A book on a table before it falls. 7- A…
Gas giants have a thick atmosphere that is made up of helium and hydrogen. Unlike terrestrial planets, they do not have solid surfaces and metals. c. Gas giants have many moons and a set of rings. Space Facts. Gas giants are large planets that contain more than 10 times the…
The electronics industry uses platinum for computer hard disks and thermocouples. Platinum is also used to make optical fibres and LCDs, turbine blades, spark plugs, pacemakers and dental fillings. Platinum compounds are important chemotherapy drugs used to treat cancers. Six unexpected uses of platinum 1. Platinum can help treat cancer…
Biological membranes have three primary functions: (1) they keep toxic substances out of the cell; (2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the … The following points…
The Northeast can be divided into three major natural areas: the rugged interior, the Atlantic Seaboard, and the western lands of New York and Pennsylvania. Much of the interior of the Northeast is formed by the Appalachian Mountains, which stretch some 1,600 miles from Maine to Alabama. The Northeast region…
1- Gold conducts heat and electricity. … 2- Gold is ductile: It can be drawn out into the thinnest wire. … 3- Gold is highly reflective of heat and light. … 4- Gold is prized for its beauty. … 5- Gold is malleable, so it can be flattened into extremely…
1- Synthesis reactions. 2- Decomposition reactions. 3- Single-replacement reactions. 4- Double-replacement reactions. 5- Combination reaction. 6- Decomposition reaction. 7- Displacement reaction. 8- Double Displacement reaction. 9- Precipitation Reaction. Oxidation-Reduction or Redox Reaction. … Direct Combination or Synthesis Reaction. … Chemical Decomposition or Analysis Reaction. … Single Displacement or Substitution Reaction.…