Which of the following hormones are the derivatives of the amino acid tyrosine?
a) thyroxin and triiodothyronin
b) epinephrine
c) nor epinephrine
d) all of these
Explanation thyroxin and triiodothyronin release from thyroid gland and epinephrine and nor epinephrine from adrenal medulla.
Epinephrine and nor epinephrine are the derivatives of which amino acids?
a) Lysine
b) Methionin
c) valine
d) none of these
Explanation these are the derivatives of tyrosine amino acid
Thyroxin and T3 (triiodothyronin) are the derivatives of which amino acids?
a) tryptophan
b) glutamic acid
c) Iso-leusine
d) none of these
Explanation these are the derivatives of tyrosine amino acid
All of the following are amino acid derived hormones except……….
a) progesterone
b) adrenaline
c) thyroxin
d) dopamine
Explanation progesterone is steroidal hormone of ovaries and placenta in female
Which of the following hormone/s is/are proteins?
a) growth hormone
b) prolactin
c) antidiuretic hormone
d) both a and b
Which of the following hormone/s is/are peptides?
a) growth hormone
b) oxytocin
c) antidiuretic hormone
d) both b and c
Explanation each peptide hormone contains nine amino acids
