Protein (Leaving Cert Home Economics): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What are the basic building blocks of proteins?
What are the basic building blocks of proteins?
Amino acids
How many components are attached to the central carbon atom in an amino acid?
How many components are attached to the central carbon atom in an amino acid?
Four
How many different amino acids are commonly found in proteins?
How many different amino acids are commonly found in proteins?
20
How many essential amino acids must be obtained from food?
How many essential amino acids must be obtained from food?
9
What molecule is released when a peptide bond forms between two amino acids?
What molecule is released when a peptide bond forms between two amino acids?
Water (H₂O)
What type of bonds stabilise secondary protein structures?
What type of bonds stabilise secondary protein structures?
Hydrogen bonds
What are the two main types of secondary protein structure?
What are the two main types of secondary protein structure?
Alpha-helices & beta-pleated sheets
Which type of protein contains all essential amino acids in adequate proportions?
Which type of protein contains all essential amino acids in adequate proportions?
Complete proteins
Which food combination is given as an example of protein complementation?
Which food combination is given as an example of protein complementation?
Rice and beans
Which protein in wheat provides elasticity to dough?
Which protein in wheat provides elasticity to dough?
Gluten
What is the main protein found in milk and cheese?
What is the main protein found in milk and cheese?
Casein
What is the structural change in protein caused by heat, pH, or mechanical action called?
What is the structural change in protein caused by heat, pH, or mechanical action called?
Denaturation
How many kilocalories per gram do proteins provide?
How many kilocalories per gram do proteins provide?
4
Which enzyme starts breaking down proteins in the stomach?
Which enzyme starts breaking down proteins in the stomach?
Pepsin
What substance is produced when excess amino acids undergo deamination?
What substance is produced when excess amino acids undergo deamination?
Urea