Test for the presence of protein (LC 2026) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
9 questions from this quiz
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Practise the questions
9 questions from this quiz
What are the subunits that make up proteins?
What are the subunits that make up proteins?
Amino acids
How many basic amino acids form all proteins?
How many basic amino acids form all proteins?
20
Which of the following is an example of a protein?
Which of the following is an example of a protein?
Enzymes
Where is keratin found in the body?
Where is keratin found in the body?
Hair and nails
What reagent is used to test for the presence of protein?
What reagent is used to test for the presence of protein?
Biuret solution
What colour change indicates a positive result for protein?
What colour change indicates a positive result for protein?
Blue to purple
What substance is used as the control in the protein test?
What substance is used as the control in the protein test?
Distilled water
What colour does the control remain after adding Biuret solution?
What colour does the control remain after adding Biuret solution?
Blue
Which protein is found in hair and nails?
Which protein is found in hair and nails?
Keratin