Define functions of selenium in humans, Biology

Assignment Help:

Define Functions of selenium in humans?

Until recently, the only known metabolic role of selenium in humans was as a component of glutathione peroxidase which along with vitamin E and superoxide dismutase forms a part of the and-oxidant defense system. However, more selenoproteins are being discovered and currently it is estimated that 50-100 selenoproteins are present in animals. Selenoproteins in animals and humans are involved in protection from oxidative damage, maintaining adequate thyroid hormone status and protection from injury by a heavy metal like mercury. Three major enzyme systems in which selenium plays an important role have been identified in humans.

These include:

a) Glutathione peroxidases,

b) Iodothyronine deiodonases, and

C) Selenoproteins P and W


Related Discussions:- Define functions of selenium in humans

All or None Response, All or None Response A very weak stimulus does n...

All or None Response A very weak stimulus does not result in an action potential. The stimulus must have a certain strength to evoke an excitation. This is the threshold value

Epithelial Cells, What are all teh parts of a simple ciliated columnar epit...

What are all teh parts of a simple ciliated columnar epithilial cell?

What is the notochord, What is the notochord? How is this structure formed?...

What is the notochord? How is this structure formed? The notochord is a rodlike structure that produces the supporting axis of the embryo and gives birth to the vertebral colum

Illustrate about heart, Heart Heart is a cone shaped muscular structur...

Heart Heart is a cone shaped muscular structure situated between two lungs in the thoracic cavity. It is covered by a sac like structure known as pericardium which has two lay

Therapeutic dose of pyridoxine, Q. Therapeutic dose of pyridoxine? Ther...

Q. Therapeutic dose of pyridoxine? Therapeutic dose of pyridoxine (lg/day) is usually tried in all patients with hypermethioninernia and homocystinemia. For patients who do not

Define the activation of an agonist during movement, Explain the relationsh...

Explain the relationship between an agonist muscle and its antagonist as it relates to positional control, functional movement and neuromuscular activation. For example, how the th

Define partition chromatography - basic separation technique, Define Partit...

Define Partition chromatography - basic separation technique? It is a technique in which separation is achieved as a consequence of the relative solubility of a substance in th

1.notochord, general character and classification of platyhelminthes

general character and classification of platyhelminthes

Define standardization - nutritional biochemistry, Define Standardization ...

Define Standardization - Nutritional  Biochemistry? One of the substances involved in a titration must be used as a standard for which the amount of substance present is accura

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd