Which one of the following amino acids is not found in proteins?

  • A
    Arginine
  • B
    Ornithine
  • C
    Aspartic acid
  • D
    Tyrosine

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Similar Questions

What does the part labeled '$X$' represent in the structural formula shown below?

Match the compounds of Column-$I$ with their function in Column-$II$.
Column-$I$Column-$II$
$A$. Trypsin$(i)$ Fights infectious agents
$B$. $GLUT$-$4$$(ii)$ Is an intercellular ground substance
$C$. Collagen$(iii)$ Works as an enzyme
$D$. Antibody$(iv)$ Enables glucose transport into cells

$A$ lubricant,mucin in saliva,is made up of:

Match the following.
Column-$I$Column-$II$
$A$. Trypsin$1$. Intercellular ground substance
$B$. $GLUT-4$$2$. Hormone
$C$. Insulin$3$. Enzyme
$D$. Collagen$4$. Enables glucose transport into cells

Which one of the following amino acids is an essential part of the human diet?

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