At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic
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- DNA and RNA are examples of which FAMILY of BIOLOGICAL MACROMOLECULES? What are the five specific differences between them?Why would it be impossible to live if proteins were not to exist in the body?What allows for the variety of complex structures seen in carbohydrates? Are carbohydrates more or less structurally versatile than amino acids? How could structural diversity make carbohydrates ideal for intercellular communication?
- A portion of a polypeptide chain contains the following sequence of amino acids: (-Met, -Leu, -Ala, -Cys, -Asp-) a.) Which amino acid can form a disulfide bond? b.) Which amino acids are likely to make the polypeptide more soluble in water? c.) Which amino acids are likely to make the polypeptide less soluble in water? d.) How does the primary structure of a protein affect its tertiary structure?Select two molecules that could be found in a protein, and from the two molecules, are they lower or higher numbered amino acids and would they be acidic, basic, polar, or nonpolar?How are there thousands of types of different organic molecules found in cells, but just four different types that make up most of the dry weight of living organisms? If we are multi-cellular creatures, how is that we have four different types of molecules that make up most of the weight, if cells have thousands of different types of molecules. Wouldn't we have an insanely high number of types of organic molecules in our bodies then, since we are multicellular organisms? Thanks ?
- Which protein structure is due to interactions between amino acid side-chains? tertiary, quaternary, secondary, or primary?Match the level of protein structure to its description: Primary Secondary Tertiary Quaternary A. Folding due to interactions among the peptide backbone B. Interactions among multiple polypeptide chains C. Sequence of amino acids D. Folding due to interactions among side chainsWould the peptide group be planar if the amino group of amino acids was bonded to the β carbon of the amino acid, rather than to the α carbon?
- which of the following is correct about protein hydration? a- hydrophobic pathces are hydrated first followed by exposed polar side chains. b- the monolayer water that hydreates proteins are those that hydrate ionic, polar, and nonpolar amino acids on the surface of the protein c- polar amino acids are the first hydrated followed by ionic aminio acids d- hydration of hydrophoic patches in proteins is not possibleWhat structural level is represented by the sequence of amino acids in a polypeptide chain?Which of the following is TRUE, if the protein pH is electrically neutral? Refer to the graph below. a. The denaturation of protein is lower than 100% b. The denaturation of protein is greater than 100% c. The protein is in native form d. The protein is completely denatured