Biologically Important Molecules Carbohydrates‚ Proteins Lipids And Nucleic Acids Professor Anthony Depass Biology 1 9/25/14 Introduction: By completing lab exercise 6 : Biologically Important Molecules‚ we are able to perform tests such as the Benedicts Test for Reducing Sugars‚ Iodine Test‚ Biuret Test‚ Sudan IV Test‚ and lastly the Grease-Spot Test that detect the presence of biologically important carbohydrates‚ protein lipids and nucleic acids. Most known compounds in living organism
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BIOLOGICALLY IMPORTANT MOLECULES Abstract Compounds containing the element carbon‚ called organic compounds‚ are the most important substances that make up living organisms. There are thousands and thousands of different organic compounds. To identify the major types of organic compounds in living organisms ‚ several biochemical test were used . Introduction Organic molecules are those primarily made up of carbon‚ hydrogen and oxygen. The common organic compounds of living organisms are
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! EXERCISE 6! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! BIOLOGICALLY IMPORTANT MOLECULES! REPORT ! ! ! INTRODUCTION ! In this experiment‚ we will learn about biological important molecules by performing tests to detect the presence of carbohydrates‚ proteins‚ lipids‚ and nucleic acids. Also‚ we will use biochemical tests to identify the unknown compound that react in the following biochemical tests: Benedict’s test‚ Iodine test‚ Sudan IV test‚ Biuret’s
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Biological Molecules Lab Report EXERCISES 1 & 2 QUALITATIVE TESTING FOR BIOLOGICAL MOLECULES 1) Complete the table for your group ’s samples. Be sure to clearly indicate in the blue line whether or not your sample was positive (+) or negative (-) for the given test. Then below that in the white area‚ type your observations‚ mainly focusing on the color‚ but also the layering as appropriate. Be sure your interpretations match your observations! The chart area will expand as you type. BENEDICT ’S
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Yvan Mamboukuate 10/09/2013 BIO 101 Lab Report Biological Molecules Introduction: In this experiment‚ simple chemical tests will be performed to identify the presence of various types of biological molecules. These tests take advantage of the fact that different types of molecules have different functional groups and‚ therefor‚ different chemical properties. Thus‚ they will react to test reagents (also called indicators) differently. Materials: Biuret‚ Sudan III‚ Iodine‚ Benedict‚ water
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Identification Of Biological Molecules Biology 12 Behrooz Kianian Period: 4 Partner: Chantelle Date: Thursday‚ Nov 7th Question 1. What happens to protein when they are exposed to very high temperatures? Proteins exposed to very high temperatures become denatured. Meaning they change shape. If a protein is denatured
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that diatomic molecules make up majority of the Earth’s atmosphere? The prefix “di” means ‘’two’’ in Greek‚ so these diatomic molecules are made up of two atoms. In this lesson‚ we will discuss diatomic molecules and go over some examples. !!!What is a Diatomic Molecule? Diatomic molecules are all around us. The Earth’s atmosphere is mainly composed of about 78% oxygen and 21% nitrogen. The oxygen and nitrogen present in the atmosphere are both in the form of ‘’diatomic molecules’’‚ as shown below:
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is understood to assist in the development of muscle in athletic people‚ but it actually functions as structural support‚ cell adhesion‚ transport for molecules‚ and cellular communication. Through dehydration synthesis‚ the release of a water molecule from the joining of two amino acid groups‚ a peptide bond forms. For the experiment performed in lab‚ amino acids and peptide bonds found in protein were investigated in different food substances‚ it was assumed that liquid foods with a higher viscosity
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Proteins are arguably the most important things that people know the least about. As OpenStax CNX puts it‚ “Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules”. Proteins are “Macromolecules that contain nitrogen as well as carbon‚ hydrogen‚ and oxygen”(Miller‚ Kenneth R.‚ and Joseph S. Levine 48). Macromolecules are exceedingly large molecules that can be made up of several lesser molecules called proteins. These proteins
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compounds are soluble in water. This is due to the fact that water molecules are polar. Meaning that they have dipole bonds‚ which have a slightly positive and slightly negative end due to electronegativity differences between atoms. When ionic bonds are placed in water‚ they dissociate into their ions (positive and negative) due to the process of dissociation. These ions are then attracted to different dipoles present in the water molecule‚ in other words the negative ions are attracted to the positive
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