Polypeptide hormones are secreted into the blood stream and have endocrine functions in living animals. Polypeptide hormones are synthesized from amino acids according to an mRNA template, which is synthesized from a DNA template inside the cell's nucleus like other proteins. Polypeptide hormones are secreted from the pituitary gland. Pituitary gland consists of two lobes: (a) Anterior lobe or adenohypophysis. [...]
The following article will guide you about how to detect vitamin B12 in human body. Vitamin B12 is a member of the vitamin B complex. Vitamin B12 contains cobalt and therefore is also known as cobalamin. It is a water soluble vitamin. It is exclusively synthesized by bacteria and is found primarily in meat, eggs and dairy products. Vitamin B12 [...]
The following article will guide you about how thyroxine is detected in human body. Thyroxine (3,5,3',5'-tetraiodothyronine or T4), is a major thyroid hormones secreted by the follicular cells of the thyroid gland. Thyroxine was synthesised in 1927 by British chemists, Charles Robert Harington and George Barger. Thyroxine, (prohormone) is synthesized via the iodination and covalent bonding of the phenyl portions [...]