... three-dimensional shape of a protein. The first of these called the secondary structure are the alpha helices and the beta pleated sheets. These structures are held together by hydrogen bonds. The second called the tertiary structure is brought about by the interactions of the alpha helices and the ... is to use electrophoresis to separate proteins. Electrophoresis is the movement of charged molecules under the influence of an electric field. Since proteins and amino acids are charged molecules, when they are placed into an electric field they will migrate depending on the pH value. The...

• Word Count: 858
• Approx Pages: 3
• Grade Level: High School

... workouts, protein is essential to rebuild worn out tissue, and rebuild muscle. Proteins are polymers and work by being broken down into smaller components named amino acids, and then rebuild again where and when they are needed. These amino acids join together as chains which can be twisted and folded depending on the molecular structure. There are twenty different types of ... which can be arranged in any order in chains lasting 2000 units long enabling their variety. A protein is a specific number of amino acids assembled in a specific order. Peptide bonds are formed in amino acids be...

• Word Count: 654
• Approx Pages: 3
• Grade Level: High School

... and eukaryotic cell or multi-cellular, which have more complex interior. As the more complex cell, eukaryotic has various structures (organelles) in the cell. One of the most fundamental structures is the plasma membrane. In regard to the crucial roles of the plasma membrane, which is a part of ... can acts as a barrier for those polar substances, for example, amino acids, sugar and salts. Many protein and cholesterol embedded in plasma membrane particularly to the part that stick outside the cell also have carbohydrate group attached to them, this cholesterol is called glycolipid, which...

• Word Count: 936
• Approx Pages: 4
• Grade Level: Undergraduate