Amino acids with ionizable side chains are found in all groups except:negatively-chargedpositively-chargedpolarhydrophobic

There are four classes of biological macromolecules: proteins, nucleic acids, lipids,…

Answered: Amino acids with ionizable side chains…

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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Similar questions

In a fatty acid chain, 12-26 carbon atoms present a: Long chain fatty acid Short chain fatty acid Very short chain fatty acid Medium chain fatty acid
A peptide has the following sequence: Glu – His – Trp – Ser – Gly – Leu – Arg – Pro – Gly Using a table of pKa values, determine the net charge of the molecule at pH 3 pH8 pH 11
The carboxylic acid functional group (R-COOH) in an amino acid has a pka of about 5. Under which of the following pH ranges would you expect to have more of the acid present than you have of its conjugate base (R-COO)? O you always have more of the conjugate base, no matter the pH O pH greater than 5 pH roughly equal to 5 pH less than 5
Which of the following fusion of molecules establishes the backbone of an amino acid? 1. An alpha carbon, a carboxyl/carboxylic acid group and, an amine/amino group 2. A phosphate group, an alcohol sugar like glycerol and, a saturated and an unsaturated fatty acid 3. An alpha carbon, a carboxyl/carboxylic acid group, an amine/amino group, and an R group, for example: the methyl group of the amino acid alanine 4. An alpha carbon, a carboxylic acid group, an amine/amino group and, an R group, for example: hydrogen of the amino acid glycine
Which of the followings are sulfur-containing amino acids? O Serine and Threonine O Glutamate and Aspartate O Cysteine and Methionine Arginine and Histidine Glycine and Alanine
List the subunits of proteins
Long chains of beta glucose monomers are held together in microfibril bundles by bonds Vanderwaals Interaction ionic covalent hydrogen In a fat molecule a glycerol is covalently bonded to fatty acid tails by a glycosidic link a hydrogen bond an ionic bond an ester link If the R group of an amino acid is nonpolar, it probably consists of one or more methyl groups hydroxyl groups amino groups hydrophilic groups
All of the following pairs are well-match, except one: O Oleic fatty acid is : unsaturated fatty acids O Saturated fatty acids : solid at room tempreture Ceramide : simplest glycerolipid O TGs: stored in adipose tissue
An amino acid structure contains a -COOH and -NH2 group in the same molecule. The -COOH group donates a proton to the -NH2 group. Because of this, the amino acid structure contains a positive charge on one atom and a negative charge on the other. What is the term used to refer to this character of amino acids? O Amphiphatic O Isoelectric point Zwitterions O Amphoteric
Do peptide bonds get protonated or deprotonated? Explain
The figure below illustrates the molecular structures of two fatty acids. A B H₂C The structural formula of erucic acid and behenic acid с H₂C D erucic acid behenic acid Which of the following best explains why erucic acid is liquid at room temperature but behenic acid is solid at room temperature? O OH The presence of a double carbon to carbon bond in erucic acid prevents the molecule from packing closely together. The lack of any double carbon-carbon bonds in behenic acid causes the molecule to be come polar and therefore packed more tightly. The larger number of carbon atoms in erucic acid prevents the molecule from packing tightly together. OH The smaller number of carbon atoms in behenic acid creates stronger covalent bonds between the carbon atoms allowing for them to pack more tightly together.

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Amino acids with ionizable side chains are found in all groups except: negatively-charged positively-charged O O polar O hydrophobic