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.
Pure quartzite is usually white to grey, though quartzites often occur in various shades of pink and red due to varying amounts of iron oxide (Fe 2 O 3). Other colors, such as yellow, green, blue and orange, are due to other mineral impurities.When sandstone is cemented to quartzite, the individual quartz grains recrystallize along with the former cementing material to form an interlocking mosaic of quartz crystals.Most or all of the original texture and sedimentary structures of the sandstone are erased by the metamorphism.ure quartzite is usually white to grey, though quartzites often occur in various shades of pink and red due to varying amounts of iron oxide (Fe 2 O 3). Other colors, such as yellow, green, blue and orange, are due to other mineral impurities.