Molybdenum (mo), Biology

Assignment Help:

Molybdenum (Mo)

Mo is absorbed as molybdate (MOO2-4) ion by plants. Its uptake can be competitively reduced by SO2-4. The requirement of plants for Mo is very low. Mo is an essential component of two major enzymes, nitrogenase and nitrate reductase. The functional mechanism of both enzymes probably depends on valency changes of Mo.

The most important function of Mo in plant metabolism is in N assimilation. Mo deficiency resembles N-deficiency. Older leaves becoming chlorotic first, but in contrast to N-deficiency, necrotic symptoms rapidly appear at the leaf margins because of nitrate accumulation. In Cruciferae, in extreme deficiency of Mo, leaf laminae are not formed and only the mid rib is formed. The leaf thus appears like a whip and for this reason the deficiency is called 'Whip tail'.


Related Discussions:- Molybdenum (mo)

Explain implant integrity, Explain Implant Integrity Implant Integrity...

Explain Implant Integrity Implant Integrity: A horizontal dark line at the abutment level is most probably due to screw-loosening and separation of elements.  This may happen

Other complications of prosthetic valves, Other Complications of Prosthetic...

Other Complications of Prosthetic Valves :  One of the dreaded complications of mitral valve replacement is ventricular rupture. It is difficult to manage and so it is better avoi

Binding site, Binding site  is the place on cellular DNA to which a protein...

Binding site  is the place on cellular DNA to which a protein (like transcription factor) can bind. Typically, binding sites may be found in the vicinity of genes, and would be inv

Heat stroke, H e a t stroke It is also known as sun stroke or hypert...

H e a t stroke It is also known as sun stroke or hyperthermia and results in excessive rise of body temperature and absence of sweating. E t i o l og

What is the single tooth implant case, In Single Tooth Implant Case: a)...

In Single Tooth Implant Case: a) Vertical distance available between the crest of residual ridge to the opposing occlusal surface. At least 7 mm space is required to a cementab

Define precautions for estimation of vitamin c in a solution, Define Precau...

Define Precautions for estimation of vitamin c in a solution? 1. Rinse all glassware with 3% metaphosphoric acid before you begin your practical and subsequently each time you

Larval forms - porifera, Larval forms - Porifera In the majority of sp...

Larval forms - Porifera In the majority of sponges the larval stage develops in the body of the parent. The larva is generally at the blastula stage of development. Figure dis

Regulatory factors, 1. Describe how the hypothalamus regulates the secretio...

1. Describe how the hypothalamus regulates the secretion of anterior pituitary hormones and identify all of the individual hypothalamic regulatory factors. Describe how the hypotha

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