Essays Tagged: "Phosphorus"

Detection of biological molecules. Lab work.

TECTION OF BIOLOGICAL MOLECULESIntroduction: Without carbon, nitrogen, hydrogen, sulfur, oxygen and phosphorus, lifewouldn't exist. These are the most abundant elements in living organisms. These elem ...

(6 pages) 122 0 4.6 Oct/1996

Subjects: Science Essays > Biology

Nuclear Power

r controlled conditions. The radiation of the nuclear energy can help in medical tests. Radioactive phosphorus is an important diagnostic aid. It is injected into the veins of a patient, it concentrat ...

(2 pages) 94 0 3.2 Jan/1996

Subjects: Science Essays > Physics

Differences and Effects of Natural and Synthetic Fertilizers

an do a great harm to the development of the plant life. These nutrients include calcium, nitrogen, phosphorus, and potassium, and are very sparse in most soils, making them the primary ingredients in ...

(3 pages) 48 0 5.0 Jan/1996

Subjects: Science Essays > Biology

Explanations of the major elements: oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, magnesium, potassium, sulfur, sodium, chlorine, iron and zinc.

um intake is bone loss, often leading to osteoporosis and increasing the risk of for bone fractures.Phosphorus (P)Phosphorus is the second most abundant mineral in the body behind calcium , making up ... ately one percent of a person's body weight. It is present in every cell in the body, however, most phosphorus is concentrated in the bones and teeth. It takes part in almost ever metabolic reaction i ...

(6 pages) 74 2 4.2 Dec/2003

Subjects: Science Essays


can grow , for example , sorghum every year instead of just every second year.Plants need Nitrogen, Phosphorus, Potassium, Sulphur ,Calcium , Magnesium and Iron to grow really good (1).There are two d ... (2).Inorganic fertilisers are made of man.They contain just the important nutrients like potassium, phosphorus and nitrogen (macronutrients).The biggest advantage of synthetic fertiliser is that they ...

(3 pages) 65 0 2.3 Feb/2004

Subjects: Science Essays > Agriculture

Talks about the creation of the periodic table and some of its elements

, you would be able to create gold. However, instead of gold, the scientist discovered a new metal, Phosphorus. Phosphorus is a deadly poison and is found in the brain tissue of a human being. Another ... weapons. These "shooting weapons" proved to be very deadly and was a great help in war. The element phosphorus was also used as fire bombs during wars. The element oxygen is in also in our everyday li ...

(3 pages) 40 3 3.7 Feb/2004

Subjects: Science Essays > Chemistry

Modern agriculture and society

e, we need to make use of technology available to us, sometimes without regards to the environment. Phosphorus is actaully the major problem in Quebec. Over fertilization led to a build up of phosphor ...

(2 pages) 42 0 0.0 Mar/2004

Subjects: Science Essays


, 2001). "Bones consist of a matrix of fibres of the tough protein collagen, hardened with calcium, phosphorus and other minerals" (FDA, 2001). Two types of structural design that give bones their str ... of a bone is determined by its mass or density. The density is dependent "on the amount of calcium, phosphorus and other minerals bones contain" (MFMER, 2003). If a bone contains less than the require ...

(9 pages) 140 0 0.0 Mar/2004

Subjects: Science Essays > Biology

Advantages and Disadvantages of milk.

milk a great advantage to be healthy for all ages. The Minerals that are found in milk are Calcium, Phosphorus, Sodium, Potassium and small amounts of iron. Calcium is needed in a humans diet for all ... eak and the human bones can break easy and can also bow. When the bones bow it is called 'rickets'. Phosphorus is also used in the bones to make them stronger; phosphorus is also used by blood cells. ...

(3 pages) 76 0 3.3 Jun/2004

Subjects: Science Essays > Biology


Question: Phosphorus cycles extremely slowly through ecosystems due to the afct that the major reserviors of t ... equence, this nutrient often limits primary productionDiscuss this statement in term sof the global phosphorus cycle, and outline the general patterns of the cycle. What human activities are considere ... outline the general patterns of the cycle. What human activities are considered to impact upon the phosphorus cycle?Answer:IntroductionIn the ecosystems, nutrients continuously cycle through living-o ...

(6 pages) 43 0 5.0 Jun/2004

Subjects: Science Essays > Environmental Science

Testing for Biomolecules

ving organisms. Biomolecules consist primarily of carbon and hydrogen, along with nitrogen, oxygen, phosphorus and sulfur. Other elements sometimes are incorporated but these are much less common.Biom ...

(6 pages) 56 1 4.7 Sep/2004

Subjects: Science Essays > Biology

Describe the Process of Genetic Fingerprinting.

e DNA fragments are then denatured by heating to give single stranded DNA. A radioactive isotope of phosphorus with a base sequence identical to one of the VNTR sequences is used to locate the particu ...

(1 pages) 743 3 3.0 Sep/2005

Subjects: Science Essays > Biology > Human Biology

Gravimetric Determination of Phosphorus in Plant Food.

Abstract: Gravimetric analysis can be used to determine the percentage of phosphorus in plant food. A precipitant of known composition is produced and weighed to find percent ... pounds, and determining the chloride content by gravimetric methods.Purpose: To find the percent of phosphorus in known compound MgNH4PO4*6H2O using gravimetric analysis.Procedure:1. Weigh by differen ... ry, weigh the filter papers plus MgNH4PO4*6H2O.11. Record the mass and calculate the percentages of phosphorus and P2O5 in your original samples.Observation: When adding 150ml of 2 M NH3 I noticed the ...

(3 pages) 37 0 0.0 Nov/2005

Subjects: Science Essays > Chemistry

Health and Eating Smart

rals which are major minerals and trace minerals. Major minerals are: Calcium, Chloride, Magnesium, Phosphorus, Potassium, Sodium, and Sulfur. Trace minerals are: Chromium, Cobalt, Copper, Fluoride, I ...

(10 pages) 242 0 5.0 Nov/2006

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

Compare and Contrast - Projection TV's

largest screen size is 42". Images in a picture tube are formed by an electron beam lighting up the phosphorus face1. The highest resolution of a picture tube TV is 625 lines. The highest resolution o ...

(13 pages) 27 0 5.0 Aug/2007

Subjects: Science Essays > Technology

The Do It Yourself Guide to Sod Installation.

a "rototiller". Now, the soil will need to be supplemented with four essential nutrients: nitrogen, phosphorus, potassium, and carbon. Be careful not to add too much nitrogen since it can burn grass r ...

(2 pages) 612 0 3.0 Sep/2007

Subjects: Literature Research Papers > Creative Writing > Descriptive Essays

Grevillea mimosoides vs. macadamia tetraphylla

etyl-CoA is a complex molecular structure primarily composed of Oxygen, Hydrogen, Carbon, Nitrogen, Phosphorus and Sulfur. (molecular formula is C21H36N7O16P3S).The poly-3-hydroxybutyrate (P3HB) form ...

(1 pages) 11 0 5.0 Nov/2007

Subjects: Science Essays > Biology

Most people take for granted the ability to sit, stand,

ld the skeleton, first filling the holes with collagen and then laying down crystals of calcium and phosphorus. About ten to thirty percent of the adult skeleton is then rebuilt in this way each year ...

(5 pages) 629 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Ecojar Lab By Bob Hendrick (Lab Report)

ers provide the three major plant nutrients: Nitrogen, Phosphorous and Potassium. Without nitrogen, phosphorus and potassium, the plant cannot grow because it cannot make the pieces it needs. Fertiliz ... WaterPond waterScissors2 Litre bottleTapeSoilGrass seedsEvidence:Table 1: Measurements of Nitrogen, Phosphorus and Potassium levels on Dec. 4, 2007PlantNitrogenPhosphorus PotassiumPardeepLowLow-Medium ...

(9 pages) 8 0 3.0 Nov/2008

Subjects: Science Essays > Chemistry

Renal Diet

ilure of kidney function. Good quality renal diets contain control the intake of fluids, potassium, phosphorus, and sodium (salts).DiscussionHemodialysis is a process for removing waste products such ... kidneys are in renal failure. Hemodialysis Patients should monitor and limit the amount of calcium, phosphorus, potassium, protein, and sodium in their diet very carefully.CalciumHigh calcium diet imp ...

(4 pages) 56 0 0.0 Mar/2010

Subjects: Science Essays > Biology