What are amino acids?
By: Dr. Bryan Katz
Amino acids are the building blocks of all proteins. Living cells use 20 specific amino acids in their proteins although a few others, e.g. GABA, serve other functions such as acting as neurotransmitters. Rather than concentrate on the properties of amino acids in general...
By: Wendy R.
Proteins are extremely large molecules made up of smaller amino acid chains. Most proteins can contain up to three hundred amino acids although there are some which are much smaller, and a few much larger. Because amino acids often contain carbon, proteins are considered organic...
Comparison of genome, proteome and metabolome
By: Tami Port MS
Living things can be studied and classified based on their genome as well as the protein products derived from those genetic instructions. Here is an explanation of the relationship between genetic instructions and the products of those instructions-clarification of the difference between the cellular genome...
What is polymerase chain reaction
By: Billy Hawkins
What is the Polymerase Chain Reaction? The Polymerase Chain Reaction (PCR) is a molecular biology technique use to amplify a single or a few copies of a piece of DNA. It has many uses in modern sciences, for example protein engineering, cloning, forensics (DNA Fingerprinting)...
Arguments for and against stem cell research
By: Dyson Wells
Stem Cells- A Moral Dilemma The world we live in is an era of constant discovery. Science has made many groundbreaking discoveries capable of vastly contributing to the world around us, from splitting atoms to manufacturing vaccines for some of the deadliest diseases on Earth...
Structure and function of proteins
By: Joshua Horn - 257112
Proteins exist in every living cell and serve a huge variety of purposes. They are involved in almost every process in the cell, from forming structural components to catalyzing reactions to cell signalling and interactions. Proteins are made of amino acids, which each have their...
Introduction to enzymes
By: Bob Lloyd
Enzymes are proteins that enable or increase the rate of chemical reactions in the body. But where are they produced and how do they work?Enzymes work as catalysts in a chemical reaction and that means that they get involved in bringing together the chemicals...
By: Safa
Some of us avoid fats in our diet due to their negative effects on our weight and health. For these reasons, it may seem that fats are unnecessary and only pose threats to our health and image. Fatty acids found in fats are in fact...
Arguments for and against stem cell research
By: Jaimee Van Niekerk
STEM CELL RESEARCH - PROS AND CONS Abstract: People cannot agree on whether stem cell* research is ethical or not. Although it offers many opportunities for the treatment and cure of a wide range of conditions such as physical trauma, relapses, genetic diseases, extensive tissue...
By: Dr Pandula Siribaddana
Phage artificial chromosome or P1-derived artificial chromosome (PAC) is a form of chromosome derived through biological manipulation and it originates from a ‘phage’ instead of a ‘plasmid’, as seen in the construction of many other artificial chromosomes. Definition of a ‘phage’:...

 

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