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33. Why do positively charged amino acids appear more often than usual in histone proteins? Because histones have a higher molecular mass, which improves DNA compaction Because histones are strongly attached to the positively charged phosphate backbone of DNA Because histones and DNA have opposite charges, which improves the compaction of DNA into
Question: Amphipathic a helices have positively charged amino acids on one face of the helix and negatively charged amino acids on the other face of the helix.Question 1 options: True False Amphipathic a helices have positively charged amino acids on one face of the helix and negatively charged amino acids on the other face of the helix.
At which position(s) are amino acids limited to those with positively charged side chains? 1 Proteins called molecular chaperones assist in the process of protein folding. One class of chaperones found in organisms from bacteria to mammals is heat shock protein 90 (Hsp90).
The common amino acids can be categorized as positively charged, uncharged, or negatively charged based on their charge under physiological conditions. What do all of the negatively charged amino acids have in common? Select the correct answer below: O Their side chain (R group) contains an amino group. O Their side chain (R group) is aromatic.
Question: 1. Which of the following amino acids has a positively charged side chain at pH 7.0? A) Arg B) Thr C) Glu D) His E) Pro 2. SDS-PAGE separates proteins primarily due to differences in A) isoelectric point B) mass C) polarity D) hydrophobicity 3. Which of the following would have the highest melting point?
Question: Determine whether each of the amino acids is polar, nonpolar, positively charged, or negatively charged at pH 7 Polar and neutral Nonpolar Positively charged Negatively charged Answer Bank Н arginine Gln Pro aspartate NH3 Нас —с —СOО -CHа— CH—С O NH3 но hydrophobic amino acids ООС — CН2—CH2—С—соо NH3
Determine whether each of the amino acids is polar, nonpolar, positively charged, or negatively charged at pH 7. Polar and neutral Nonpolar Positively charged roed Negatively charged Answer Bank arginine Leu aspartate H2N-C-CH2-C-Coo CH2-C-coo NH3 NH3 hydrophobic amino acids OOC-CH2-CH2-C-COO NH3
Answer to 9. Positive R. Which amino acids have positively. Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on.
What is the name of the amino acid shown below? NH2 A) Phosphotyrosine B) σ-N-Methylarginine C) 6-N-Acetyllysine D) Glutamate y-methyl ester E) Adenylyltyrosine 23. Muscle contraction occurs through a series of conformational changes to protein structure due to binding, hydrolysis, and release of A) ATP B) ADP C) ATP and ADP D) Ca2 E) CA2 and 02
Question: Question 74 A large protein that passes through the nuclear pore must have an appropriate B A sorting sequence, which typically contains the positively charged amino acids lysine and arginine sorting sequence, which typically contains the hydrophobic amino acids leucine and isoleucine c sequence to interact with the nuclear fibrils Ran-interacting protein