Five useful weeds
By: Judith Willson
During the spring and summer, weeding takes up a good amount of a gardener’s time. Weeds are everywhere; in amongst your vegetables, sprouting through gaps in paving, appearing in your lawn. Some of those unwanted plants are actually be very useful in their own...
Types of energy production in human cells
By: Tarek Musslimani
In this article, I will discuss methods for the generation of energy in the body that are used by the various body tissues. These methods include aerobic respiration and anaerobic respiration in addition to the generation of energy in muscle tissue which is different than...
By: Tarek Musslimani
Amino acids are a very important class of chemical compounds that are 20 in number. Each amino acid is composed of a carboxyl group and an amino group in which both are attached to a CH group. The difference between each and each amino acid...
By: Terrence Aym
A recent article in the UK's Daily Telegraph bemoaned the possible extinction of up to one-third of the lifeforms on Earth. [Third of plants and animals 'at risk of extinction']But articles like these overlook the emerging bio-technologies of the 21st Century. As Mankind's knowledge grows...
Health benefits of phospholipids
By: Saher Naseem
Human cells possess implausibly complexed structure and made up of many compounds, among them a group of essential fats called phospholipids. A sophisticated and refined combination of essential phospholipids (EPL) comprises of phosphotidyl Choline (lecithin), phosphotidyl Serine, phosphotidylethanolamine, phosphotidylinositol, in addition to linoleic and linolenic...
By: Tim Harry
On the face of it the Goblin Shark, Mitsukurina owstoni, would appear to have little impact upon the environment. It is one of the least seen and least studied of all of the world’s 440 shark species, and thus if it wasn’t there...
By: Tarek Musslimani
Insulin is a protein hormone which is secreted by the islet cells of the pancreas. Chemically speaking it is composed of two polypeptide chains that are connected by disulfide bond or S-S bond. It has a molecular weight of 5808. Although insulin is known for...
Biology class activity: Eukaryotic cell structure
By: aggieteacher
As a Biology teacher, one of the things that I deem critical for students to leave my class knowing is the structural components (and their functions) of a eukaryotic cell. Eukaryotic cells are cells that have a nucleus and membrane bound organelles. These can be...
Is evolution an outdated theory?
By: Earl Butler
Evolution is no more outdated than the life it tries to explain. In fact evolution, of all the scientific theories, has the most evidence to back it up. Since Darwin's time there has been many scientific breakthroughs. Advancements in biology, chemistry and physics have all...
By: Dr Pandula Siribaddana
Mammals and thermo-regulation Mammals are a class of animals which belongs to vertebrates who breathe air and is characterized by the presence of mammary glands in their females and sweat glands and hair in both genders. Humans are also part of this class of animals...

 

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