Element required by higher plants, Biology

Assignment Help:

Element Required By Higher Plants

Table shows the list of sixteen elements that fulfil the criteria of essentiality stated above, their approximate adequate concentration and approximate number of atoms required with molybdenum (Mo) serving as the reference point. Look at the difference! The requirement of hydrogen atoms is about 60 million times the number of Mo atoms. It is because H is an essential part of thousands of chemical compounds with which the plant is made of, whereas Mo is required only in one or two enzyme mediated reactions. Scientists have added a few more elements to the list of sixteen though they have found them essential only for certain group of plants.

These are, sodium (Na), cobalt (Co), silicon (Si), nickel (Ni) and even chromium (Cr), tin (Sn) and fluorine (F). Some specific organisms may require other elements. For example, certain algae apparently also require the elements vanadium (Va), silicon (Si) or iodine (I), while some ferns utilise aluminium (Al) and some local weeds absorb and accumulate selenium (Se) in high amounts.

Table:  The essential element required by higher plants

1130_Element Required By Higher Plants.png


Related Discussions:- Element required by higher plants

Define birth weight - etiological factors for obesity, Define Birth weight ...

Define Birth weight - etiological factors for obesity? It has been shown that slow growth of the foetus in utero and during infancy is followed by accelerated weight gain in ch

Define polyacrylamide gel electrophoresis (page), Define Polyacrylamide gel...

Define Polyacrylamide gel electrophoresis (PAGE)? Acrylamide gel has the advantage over starch in that it is easier to prepare and is more inert, the pore size can be varied in

Assessment of diastdlic function, Q. Assessment of Diastdlic Function? ...

Q. Assessment of Diastdlic Function? Myocardial ischemia Clters diastolic function of left ventricle. The earliest abnormality to appear with prolonged ischemia is delayed my

Explain triangular full mucoperiosteal flaps, Explain Triangular Full Mucop...

Explain Triangular Full Mucoperiosteal Flaps - Endodontic Surgery      - Only vertical releasing incision with the Horizontal incision, -Used at the area of important anatom

Explain resistance to isoniazid, Resistance to Isoniazid  The most comm...

Resistance to Isoniazid  The most common pattern of resistance is isolated resistance to isoniazid, which can be treated with rifampin, pyrazinamide and ethambutol for 6-9 mont

Define the dietary sources and chemical forms, Define the Dietary Sources a...

Define the Dietary Sources and Chemical Forms? Isoflavones and coumestans are the most common compounds. Soybeans and soyfoods are the most important sources, containing approx

Explain arterial continuous mummer, Explain arterial continuous mummer? ...

Explain arterial continuous mummer? Arterial Continuous Mummer : These originate in constricted arteries as in carotid or femoral artery obstruction (Mummer are louder in sys

Structure and function of lipoproteins, Triacylglycerols, cholesterol and p...

Triacylglycerols, cholesterol and phospholipids are associatively insoluble in aqueous solution. Thus, they are transported around the body in the blood as parts of lipoproteins.

Phases of menstrual cycle - reproduction, Phases of Menstrual Cycle - Repro...

Phases of Menstrual Cycle - Reproduction Four phases of the menstrual cycle are usually distinguished: the menstrual, proliferative (follicular), ovulatory and progestational

What is composition, What is Composition? Blood consists of red blood c...

What is Composition? Blood consists of red blood cells, white blood cells, and platelets, suspended in a straw-colored liquid called plasma. If whole blood is centrifuged, abou

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