In the given pentapeptide, find out an essential amino acid $(Y)$ and the sequence present in the pentapeptide: Choose the correct answer from the options given below:

  • A
    $(Y) = \text{Threonine}, (\text{Sequence}) = \text{Ser} - \text{Thr} - \text{Asp} - \text{Gly} - \text{Ala}$
  • B
    $(Y) = \text{Serine}, (\text{Sequence}) = \text{Thr} - \text{Ser} - \text{Asp} - \text{Ala} - \text{Gly}$
  • C
    $(Y) = \text{Threonine}, (\text{Sequence}) = \text{Thr} - \text{Ser} - \text{Asp} - \text{Gly} - \text{Ala}$
  • D
    $(Y) = \text{Serine}, (\text{Sequence}) = \text{Ser} - \text{Asp} - \text{Thr} - \text{Ala} - \text{Gly}$

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