Proteins (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which function is NOT performed by proteins in the body?
Which function is NOT performed by proteins in the body?
Storing genetic information
What is released when a peptide bond forms between two amino acids?
What is released when a peptide bond forms between two amino acids?
A water molecule
Why is the amino acid sequence in primary structure critical?
Why is the amino acid sequence in primary structure critical?
Single change can alter protein function
What type of bonding stabilizes the secondary structure of proteins?
What type of bonding stabilizes the secondary structure of proteins?
Hydrogen bonds
Which protein has an α-helical secondary structure?
Which protein has an α-helical secondary structure?
Keratin in hair and wool
Which protein is an example of β-pleated sheet structure?
Which protein is an example of β-pleated sheet structure?
Silk
What is a zwitterion?
What is a zwitterion?
Dipolar ion with overall neutral charge
Which interaction is strongest in stabilizing tertiary structure?
Which interaction is strongest in stabilizing tertiary structure?
Disulfide bridges
Where do non-polar R groups tend to position in protein tertiary structure?
Where do non-polar R groups tend to position in protein tertiary structure?
Toward the interior, away from water
How many oxygen molecules can one haemoglobin molecule transport?
How many oxygen molecules can one haemoglobin molecule transport?
Four molecules