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.
The many quartz varieties include citrine, amethyst, ametrine, chalcedony, aventurine, onyx, agate, tiger's eye, smoky quartz and rose quartz. But from the viewpoint of mineralogy, it is feldspar that is the most common mineral.In fact feldspar makes up nearly 60% of the Earth's crust. Feldspar is a group of minerals distinguished by the presence of aluminum silicates with potassium, sodium, calcium and barium.he many quartz varieties include citrine, amethyst, ametrine, chalcedony, aventurine, onyx, agate, tiger's eye, smoky quartz and rose quartz. But from the viewpoint of mineralogy, it is feldspar that is the most common mineral.