Which of the following amino acids is most likely to be found in position 1 or 4 on keratin and why? Glu, Gln, Ile, Asp, Pro Which of the following proteins is globular? a. collagen b. keratin c. fibrin d. myoglobin What does the term 'amino acid' signify about the structure of ...
Which amino acids can be phosphorylated and what is common to their structure?What are the organic functional groups in amino acids that bond with each other to form proteins?What does the term 'amino acid' signify about the structure of a molecule?Amino acids are found in which type ...
Amino acids:The amino acid is the basic unit of protein which are connected by peptide bonds. The amino acid has a general structure of an alpha-amino group, alpha-carboxyl group, and the R-group or side chain. The R-group is different for different amino acids. The 20 naturally ...
What is the structure of each amino acid at its isoelectric point? (a) alanine (b) methionine (c) aspartic acid (d) lysine What amino acid does the given abbreviation stand for? Ser Evaluate the following derivatives: (a) d/dx (cosx+isinx), (b) d/dx sin^(2) x , (c) d/dx ln...
What amino acid does the depicted abbreviation stand for? ProThe amino acid phenylalanine has pKa = 1.83, and tryptophan has pKa = 2.83. Which is the stronger acid?Which of the following amino acids would be last to elute at high pH from an anio...
What amino acid does the depicted abbreviation stand for? Pro Given that lysine has the following pKa values: pK1 = 2.2; pK2 =9.2; pK3 = 10.8 What is the pI of lysine? Give the general formula for an amino acid. Some amino acids are labeled hydrophilic and some as hydrophobic. What ...
Asn and Gln are polar amino acids C. Phe can undergo oxidation to form Tyr D. Alanine has an overall charge at physiological pH (7.4) E. Isoleucine has more In biochemistry, what is a ligand? What is this molecule? CH3CH2CHCHCH3 What amino acid does the depicted abbreviation stand...
What does the 'NA' in DNA and RNA stand for? Identify the nucleotide and describe the way of use of the nucleotide. A new species of yeast has just one tRNA Ala, with the anticodon IGC. What does this suggest about codon usage in this organism? From...
met-arg-leu-leu-arg-gln-trp e. None of these What does DNA stand for and what are the four bases of DNA? What is the cellular structure that contains genetic DNA? The histone core octamer of a nucleosome forms hydrogen bonds with what part of the DNA? What is the structure of...
What amino acid does the depicted abbreviation stand for? Pro What alpha-halo carbonyl compound is needed to synthesize each amino acid? (a) glycine (b) isoleucine (c) phenylalanine a) Which is the only amino acid that does ...