dentify the amino acid described. state the name, one-letter abbreviation, and draw the structure at pH 12.0 a non-polar essential amino acid capable of donating 1 carbon moiety in metabolism
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identify the amino acid described. state the name, one-letter abbreviation, and draw the structure at pH 12.0
a non-polar essential amino acid capable of donating 1 carbon moiety in
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- What is the primary structure of a protein? Describe how the primary structure of proteins is used by evolutionary biologistsWhat are two types of weak molecular bonds? Then, describe two examples of how these types of weak molecular bond impact the organization of a molecule or organelleDefine the following terms: a. homologous polypeptides b. protein fold c. ligand d. oligomer e. protomer
- Denaturation of a protein A. adds hydrogen bonds to the primary level of protein structure. B. breaks hydrogen bonds in the primary level of protein structure. C. adds hydrogen bonds to the secondary and tertiary levels of protein structure. D. breaks hydrogen bonds in the secondary and tertiary levels of protein structure.Which is true for DNA, RNA and Polypeptides? a) Only some have side chains (N groups or R groups extending from the backbone or central chain, b) They are formed from ribose by dehydration synthesis. c) They all have subunits that include nitrogenous bases. d) They were formed spontaneously (first appear) during Chemical Evolution before life. e) All are trueThe following is a synthesis sequence or progression that is a hypothesis for Chemical evolution: elements, ionic and covalent bonding to form simple molecules, these simple molecules form simple organic monomers, the monomers undergo dehydration synthesis to form bio polymers, formation of micelles (Pre cells). This concept a) can only be observed in living cells, b) is a theory that proves that life could not evolve on other planets. c) is a hypothetical model that can be confirmed in the laboratory, d) is a hypothesis that has no supporting evidence from rocks that predate the presence of cells in the fossil record. e) These are all true.
- Which of the following BEST explains the molecular nature of all organic compounds? Organic compounds such as water, monosaccharides, amino acids, and nucleotides compose the basic monomers needed to sustain the normal metabolic machinery in cells. Generally speaking, organic compounds are the outcome of chemically bonding hydrogen and carbon atoms, and possibly others such as oxygen and nitrogen. Only members of Domain Eukarya (eukaryotic organisms) may reveal organic compounds in their cellular and molecular structures. Obviously, organic compounds only exists in the living world whereas, inorganic compounds can only be found in non-living thingsCellulose is to carbohydrate as: a. amino acid is to protein. b. lipid is to fat. c. collagen is to protein. d. nucleic acid is to DNA. e. nucleic acid is to RNA.What do proteins, polysaccharides and nucleic acids have in common? should be an original thought, not Google’s
- Do explain the answer you chose. Of the following molecules, which is a complex biological molecule formed by dehydration synthesis during the period of Chemical Evolution? a) Polysaccharides, b) DNA, c) Polypeptides, d) Phospholipids, e) All are.Which of the following describes a primary protein structure?A) Protein structure maintained by disulfide linkages.B) Amino acid sequence maintained by peptide bonds.C) Protein chains maintained by interactions of peptide backbones like an α-helix.D) Arrangement of multiple protein subunits.E) Protein structure maintained through multiple hydrogen bonds.Which of the following statements is FALSE? Select one: a. Secondary structure of a protein determines how it folds up into a unique three dimensional structure. b. Three dimensional structure of a protein determines the function of a protein. c. Primary structure of a protein determines how it folds up into a unique three dimensional structure. d. Amino acid sequence is absolutely important for a particular protein.