12 Questions
Which type of structure does haemoglobin have?
Quaternary structure
What type of bonds hold the four globin subunits of haemoglobin together?
Disulphide bonds
What happens when base substitution results in the amino acid valine replacing glutamic acid in haemoglobin?
Haemoglobin becomes less soluble
What type of ion does the prosthetic haem group of haemoglobin contain?
Iron II ion (Fe2+)
What type of bonds are found within tertiary structured proteins?
Strong covalent
What are the interactions that determine the shape and function of a protein?
Van der Waals interactions
Which level of protein structure involves hydrogen bonds between the R groups?
Tertiary structure
What is the three-dimensional configuration that forms as a result of interactions between R groups in a polypeptide chain?
Tertiary structure
What type of bond forms between the R groups of amino acids in the tertiary structure of a protein?
Disulphide bond
In which protein structure does the formation of subunits occur?
Quaternary
What type of bond occurs only between cysteine amino acids in a protein's structure?
Disulphide bond
Which type of interaction occurs between non-polar R groups in the tertiary structure of a protein?
Weak hydrophobic interactions
Learn about the bonds involved in the tertiary structure of proteins, including hydrogen, disulphide, ionic, and weak hydrophobic interactions between R groups.
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