Structure of tyrosine

This type of question, asked 2 times: 2021 Paper 7, 8 Apr 2024. All 2 questions below, oldest first.

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Question 1
2021 Paper 7
36 $Which of the following is correct structure of tyrosine?$
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Question 2
8 Apr 2024
144 $The total number of carbon atoms present in tyrosine, an amino acid, is ___ .$