Which of the following amino acids has a side chain that can serve as a hydrogen...

Which of the following amino acids has a side chain that can serve as a hydrogen bond donor (but not acceptor) in its predominant form at pH 7?

D

K

M

V

N

Expert Solution

queen_honey_blossom answered 2 years ago

1)What are amino acids? Amino group, carboxyl end, what is the side chain of an amino...

1)What are amino acids? Amino group, carboxyl end, what is the side chain of an amino acid? 2)What are essential and non-essential amino acid. 3)Which are the essential amino acids? 4)Classify the amino acids based on polarity of the R group:

How does an amino acid side chain hydrogen bond with RNA? Which residues are most likely...

How does an amino acid side chain hydrogen bond with RNA? Which residues are most likely to hydrogen bond? Which residues are most likely to be in the hydrophobic core?

Which of the following amino acids pairs would form the described hydrogen bond at pH 7?...

Which of the following amino acids pairs would form the described hydrogen bond at pH 7? Explain your answer? A. His Asp B. Tyr His C. Ser Arg D. Glu Thr A certain protein has a molecular weight of 250 kD. What is the approximate number of amino acids residues? A. 2 B. 750 C. 1200 D. 2300 E. 27500

Two of the facts which differentiate lipids and carbohydrates from amino acids are that, amino acids...

Two of the facts which differentiate lipids and carbohydrates from amino acids are that, amino acids can neither be stored nor excreted. true false A baby got sick a few weeks after birth and test results show that the baby had higher than normal levels of the amino acid phenylalanine. Which of the following best describes the baby's probable diagnosis? The baby has maple syrup disease The baby has PKU More lab test are needed to confirm the cause malady...

What amino acids have polar side chains that are attracted to water

10.During protein degradation, a polypeptide chain is broken down into individual amino acids. Which of the...

10.During protein degradation, a polypeptide chain is broken down into individual amino acids. Which of the following is false about this process? a.It is an exergonic reaction. b.The products have lower disorder than the reactants. C.The products have lower free energy than the reactants D.It is a catabolic process. E.It is catalyzed by enzymes. 12.You quantitatively determine that an enzyme-catalyzed reaction has a ΔG of -8 kcal/mol. If you half the amount of enzyme in the reaction, what will be...

Which of the following amino acids exists predominantly as a zwitterion? The terminal amino group, terminal...

Which of the following amino acids exists predominantly as a zwitterion? The terminal amino group, terminal carboxyl group, and side chain pKa values can be found in Table 3.1 (Any pKa table). A. leucine at pH = 10 B. histidine at pH = 5 C. glutamic acid at pH = 3.5 D. tyrosine at pH = 11.5 E. lysine at pH = 7

Which phenomenon related to protein structure involves nonpolar side chains of multiple amino acids? A. Hydrophobic...

Which phenomenon related to protein structure involves nonpolar side chains of multiple amino acids? A. Hydrophobic interactions B. Hydrogen bonds C. Covalent bonds D. Disulfide bonds E. Peptide bonds

2. Describe the mechanism by which muscle tissue uses branched-chain amino acids as fuel and passes...

2. Describe the mechanism by which muscle tissue uses branched-chain amino acids as fuel and passes the nitrogen from these amino acids to liver tissue to be converted to urea. Please offer detailed explanations. Thank you.

11.Which of the following sequences of amino acids is the most likely to be located on...

11.Which of the following sequences of amino acids is the most likely to be located on the exterior of a water soluble globular protein? a. Arg-Ser-Gln-Pro-His b. Met-Phe-Ile-Leu-Ala c. Val-Leu-Ser-Ala-Val d. Met-Val-Cys-Leu-Gln QUESTION 12 1. Which pair of amino acid side chains might form a London dispersion force type of van der Waals interaction in a globular protein? a. His and Ser b. Ala and Gln c. His and Met d. Val and Met QUESTION 13 1. The β-hairpin consists...

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