In protein structure, which is not established via secondary interactions? o tertiary o secondary o quaternary o primary
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- The first and major effect in denaturation of proteins is that: a. peptide bonds break. b. helices unwind. c. sheet structures unfold. d. tertiary structure is changed. e. quaternary structures disassemble.The helix and the pleated sheet are part of which protein structure? primary secondary tertiary quaternaryWhich of the following is a functional group that is part of a building block of proteins? phosphate adenine amino ribose
- 18 The image below shows the different interactions responsible for the spontaneous folding of a protein molecule. Identify which interactions are involved for each labelled region 0-H H CH,OH CH, NH, 0 B O-H--OO CH, CH₂ A B D C A यह मह CH CH₂COOH C H CH, CH, CH, CH H--O=C D T (CHJANH, - interactions ion-dipole interaction Hydrogen bonding Hydrophobic interactions Disulfide bonds lon-ion interaction 184. Alpha helices, loops, and beta sheets are examples of protein secondary structure. Beta sheets can be parallel or anti-parallel. Identify all hydrogen bonds (four) in the two example sheets below. Identify which is the parallel and which is the anti-parallel. C-term Cterm H. C-term N term H. parallel anti-parallel parallel anti-parallelill Section 5 Cell Chemistry Organiz X Section 5 Cell Chemistry Organiz x + X C Ⓒ File | C:/Users/keish/Downloads/Section%205%20Cell%20Chemistry%20Organizer%20Assignment.pdf PDF 8 V Draw Proteins 1. 2. 3. 4. Nucleic Acids 2. PDF 3. T Read aloud What is the monomer or base unit for proteins? + 4 What is the monomer or base unit for nucleic acids? of 4 (D In your own words, define the 4 structures of proteins. What elements make up this organic compound group? QI {" What elements make up this organic compound group? 10 List the 3 nucleic acids presented and provide the key characteristics of how to tell them apart from each other. What makes them unique or different? 1. @ I 20% 6 №9 0 D {0}
- 8) The figure shows an unfolded polypeptide consisting of six amino acids. Describe how cooperativity will drive protein folding of the polypeptide chain into an alpha-helixe- 10EEHOW is AG changed as each amino acid is incorporated into the secondary structure - s)? O H O H 3 H. H. 5 CH-C H. 6 -N-CH-C- OH O H,N CH-C -N CH C-N CH CH CH2 CH2 CH2 CH2 CH OH CH H;C CH34. Below is data obtained for an unknown protein's dihedral angles. Each dot represents the dihedral angles of each amino acid. i. psi ii. 180 120 60 C -60 -120 0.0005 0.02 0.02- -1880 -120 What secondary structure(s) are present in the unknown protein? -60 phi 60 120 0.0005 Why is there a lot of white space? 18030.What protein structure is composed of a sequence of amino acids? Group of answer choices tertiary secondary quaternary primary
- 2. a. In the following diagram of a portion of a protein, label the types of interactions that are shown. b. What level of protein structure are these interactions producing? b. CH CH3 CH3 Polypeptide backbone CH2 H3C H3Ç 10 CH С—ОН - CH,-S-S-CH,- а. CH2 с. -CH,-CH,-CH2-CH2-NH 0-C-CH2- d.3. The figure below depicts a protein folding into its final shape. If this was a cytoplasmic protein: goa oog ge Tertiary Structure a. The chemical properties of the amino acids in black are likely (circle): Polar or Nonpolar Primary Structure b. The chemical properties of the amino acids in white are likely (circle): Polar or Nonpolar20. With respect to proteins, which of the following statements BEST describes secondary structure of proteins? Group of answer choices complex 3-dimensional folding pattern of a polypeptide helix or pleated sheet pattern of a polypeptide ordered sequence of amino acids in a polypeptide interaction of more than one polypeptide chain