Please help with parts 1 and 2 Question 3818 pts"Answer all the following regarding protein structure;1. Define the following terms regarding protein structure; A) primary structure; B) secondarystructure. C) tertiary, structure and D) quaternary structure. (6 points)2. For secondary structure, nameleach type of secondary structure, and for each type, generallydescribe the structure and explain the rotes of hydrogen bonding in that type of secondary structure.(5 points)3. For tertiary structure, explain how hydrophobiçity affects tertiary structure of a cytoplasmicprotein and how it affects the tertiary $tructure of a protein localized within a cell membrane. (4points)4. For quaternary structure, give the name of a protein thất has quaternary structure and describe,generally, its quaternary structure. (3 points)Edit View InscrtFormat Tools Tablc

(1.) Proteins structures are made by condensation of amino acids forming peptide bonds. Proteins…

Answered: Please help with parts 1 and 2

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question 1Predicting Secondary Structure Which of the following peptides is more likely to take up an -helical structure, and why? (a) LKAENDEAARAMSEA (b) CRAGGFPWDQPGTSN
Question: 1. Identify the amino acids in this peptide 2. Which amino acid sidechains are protonated at physiological pH 3. What is the overall charge of this peptide H₂N O NH₂ IZ ZI O OH IZ OH OH
Question 4. Imagine the main chain of a protein bends back on itself so that two amino acid residues R1 and R2 come close to each other. In the table below are four possibilities for what R1 and R2 might be. In each case, decide whether a specific interaction could form between the residues. If a specific interaction could form, give the name of the interaction. R₁ cysteine tyrosine threonine arginine R₂ cysteine phenylalanine glutamine aspartate specific interaction? OO yes O yes O no no OO O yes no yes no name of specific interaction 0 П 0 0
Question 11. // Hint: Isoelectric focusing separates proteins based on their pI values, and can separate proteins that only differ by a net charge of ±1.±1. Recall that an amino acid residue with a negatively charged R group has a relatively low isoelectric point (pI) where it has zero net charge. Likewise, an amino acid residue with a positively charged R group has a relatively high isoelectric point (pI) where it has zero net charge. Order from Low pH to High pH
QUESTION 2 Which peptide will most strongly attach to a carboxymethyl ion exchange column at pH 7.4? O N'-Glu-Lys-Arg-Asp-Tyr-C' O N'-Tyr-Arg-Lys-Arg-Gly-C' O N'-Gly-Glu-Gln-Asp-Asp-C' O N'-Val-Ala-Leu-lle-Arg-C' QUESTION 3 Which will be product of transcription from this double-stranded (ds) DNA sequence? 5' - atgttcaaagcctattcg - 3' 3' - tacaagtttcggataagc - 5' O YKFRIS O uacaaguuucggauaagc O auauucaaaaccuauuca Which will be product of transcription from this double-stranded (ds) DNA sequence? 5' - atgttcaaagcctattcg – 3' 3' - tacaagtttcggataagc – 5' O YKFRIS O uacaaguuucggauaagc O auguucaaagccuauucg Ο MFKAYS QUESTION 4 The structure of hemoglobin consists of a 2a and 2B heterotetramer. O quaternary O tertiary O secondary O primary
Question A protein contains 342 amino acid residues. Assuming that the whole protein is in alpha- helical structures. How long is the protein?
QUESTION 4 Which of the following amino acids would stick to a CM-sepharose column at pH 7.07 Choose all that apply. Partial credit is allowed for each correct answer, arnd negative scores are allowed for incorrect answers. O Arginine (pl -10.76) O Glutamic acid (pl 3.22) O Cysteine (pl 5.07) O Histidine (pl 7.59)
Question 14 The folding of an unfolded protein proceeds from low entropy disordered state to a single high entropy, low energy native conformation O True O False Question 15 The GroES subunit has 14 identical 549-residue subunits arranged in two stacked rings with 7 subunits eac True False
Multisubunit proteins in which some or all of the subunitsare identical are referred to as _______________________.
Question 9 Choose the CORRECT statement. O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of glycine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of valine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of arginine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of proline
Three proteins that facilitate the movement of phospholipidmolecules across a membrane are flippase, floppase, and_________________________.
Question 13 Classify the following polysaccharides Chitin A. Heteroploysaccharide Cellulose B. Homopolysaccharide Peptidoglycan v Glycogen Glycosaminoglycan

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