Proteins (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
Which four main elements are found in all proteins?
Which four main elements are found in all proteins?
Carbon, hydrogen, oxygen, nitrogen
How many common amino acids do all living things use to make proteins?
How many common amino acids do all living things use to make proteins?
20
What part of an amino acid's structure makes each amino acid unique?
What part of an amino acid's structure makes each amino acid unique?
The R group (side chain)
How many essential amino acids must humans obtain from their diet?
How many essential amino acids must humans obtain from their diet?
9
What are peptides?
What are peptides?
Short chains of up to 50 amino acids
How many amino acids are joined together to form a protein?
How many amino acids are joined together to form a protein?
Over 200
Where does a peptide bond form between two amino acids?
Where does a peptide bond form between two amino acids?
Between amino group and carboxyl group
Which protein is an example of a fibrous protein found in hair, nails and feathers?
Which protein is an example of a fibrous protein found in hair, nails and feathers?
Keratin
What type of proteins are haemoglobin and enzymes?
What type of proteins are haemoglobin and enzymes?
Globular proteins
Why must we consume protein regularly in our diet?
Why must we consume protein regularly in our diet?
Proteins cannot be stored in the body
What type of biomolecule are enzymes made from?
What type of biomolecule are enzymes made from?
Proteins
Which of these is a good dietary source of protein?
Which of these is a good dietary source of protein?
Lentils