Multiple-Choice Questions 1) What element makes protein different from carbohydrate and fat? A) carbon B) hydrogen C) oxygen D) nitrogen Answer: D Page Ref: 186 Skill: Factual 2) What dictates the structure of a protein molecule synthesized by the body?
A pile of minerals. This image shows some of the most common minerals you'll find in rocks. This pile contains plagioclase feldspar, potassium feldspar, quartz, muscovite mica, biotite mica, amphibole, olivine, and calcite.otassium feldspar is another member of the feldspar mineral family. Like plagioclase feldspar, potassium feldspars are silicate minerals that contain a considerable amount of-you guessed it-potassium.
Feldspars are used to make ceramics and ceramic glazes. The feldspar called moonstone is used as gemstone; it is a birthstone for June. It can be considered a crystalline minerals made up of aluminum silicates with sodium, potassium, or calcium, usually glassy; it is used as flux in glass and ceramic manufacture, also used in abrasives, fillers in paint and plastics and in insulation.