1 How can organic compounds be described? A Their atoms are joined by ionic bonds B. These substances are formed by non-living things C Their chemical formula contains both metals and non-metals D The, usually cc. lain carton, hydrogen, and other non-metals, such as oxygen 2. These are the largest class of organic compounds found in organisms A carbohydrates B lipids C nucleic acids D proteins 3 Organic compounds that do not dissolve in water A carbohydrates B lipids C nucleic acids D proteins The difference between carbohydrates and proteins according to elements is the presence of what element in proteins? A carbon B. hydrogen C. nitrogen D. nitrogen Straight-chained organic polymers that are composed of monomer units known as nucleotides A carbohydrates B. lipids C. nucleic acids D. proteins 6 We know proteins as "GO" food, such as in meat, shrimp, and seeds. Why do we need proteins? A These substances give us energy B. These compounds carry the genetic information for our cells. C Proteins are used to package and transport materials as well as build structures in our body D Proteins help store fat in plant seeds and in large, clear globules in the cells of adipose tissues 5 7. What is the difference between DNA end RNA according to structure? A The DNA is composed two long strands of nucleotides that are twisted together, while the RNA consists of a single strand of nucleotides bonded together 8 The DNA is composed of several thousands of nucleotides, while, RNA is composed of several millions of nucleotides C The DNA is responsible for the synthesis of proteins, while, the RNA carnes the genetic information for the cells. D. The DNA are branched organic compounds, while the RNA has unbranched organic compounds RNA mune MMC , DNA
