Which of the following statements is true more than one answ

Which of the following statements is true? (more than one answer may be correct)

a) Nonpolar amino acids tend to be found in the interior of proteins.

b) The polypeptide backbone is free to rotate about each peptide bond.

c) The sequence of the atoms in the polypeptide backbone varies between different proteins.

d) Peptide bonds are the only covalent bonds that can link together a single polypetide chain.

Solution

Which of the following statements is true? (more than one answer may be correct)

a) Nonpolar amino acids tend to be found in the interior of proteins.------TRUE

b) The polypeptide backbone is free to rotate about each peptide bond.-------TRUE

c) The sequence of the atoms in the polypeptide backbone varies between different proteins.FALSE

d) Peptide bonds are the only covalent bonds that can link together a single polypetide chain.-TRUE

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tertiary structure of a protein : It alludes to the genuine three dimensional structure of the polypeptide chain. Various strengths act to hold the polypeptide chain in this last arrangement:

Polar/Nonpolar Interactions.

A polypeptide chain creases so that nonpolar, hydrophobic amino acids tend to point internal, where they are protected from the water, and polar, hydrophilic amino acids tend to point outward, where they collaborate with the water. For sure, this is a standout amongst the most imperative components deciding the tertiary structure of generally proteins. In this perspective of myoglobin the amino acids with hydrophobic side chains are shaded blue, while those with hydrophilic side chains are hued red.