Serology Serology? What is serology? How do Forensic Scientists use serology? Serology is the study of blood‚ blood serum‚ saliva‚ semen‚ and other bodily fluids. However the reason that this became a discipline of Forensic Science is because forensic scientists can use the DNA found from the different assortments of bodily fluids in order to narrow down and eliminate possible suspects. Forensic Serology is the study of serology in the relation to crimes and other legal matters‚ using a biological
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Immobilized Enzyme Immobilized Enzyme * Enzymes which are attached to small bead made of alginate are called immobilized enzyme * However‚ whatever the nature of an immobilized enzyme‚ it must comprise two essential functions‚ namely the non-catalytic functions (NCF) that are designed to aid separation and the catalytic functions (CF) that are designed to convert the target compounds within the time and space desired * Immobilized enzymes might meet the increasing demand by manufacturers
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polymerisation reaction‚ where glucose molecules are joined together to form a long chain. These starch molecules are held by glycosidic bonds. Uses of starch * Forms parts of a cell wall * Energy storage * Can be digested by humans with amylase to make glucose for respiration * Plants use starch as stored energy for later use‚ breaking it down to glucose for respiration Starch is a polysaccharide‚ so it has very large molecules. This means they are insoluble‚ so they are suitable
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digestion is the moment we put the food in mouth. As we chew the food‚ the saliva released by the salivary glands of the mouth starts its work of breaking up of the carbohydrates. This is possible because of the presence of a special enzyme named amylase in the saliva. Then we swallow the food and it goes to the stomach. Here the digestive acids secreted by the glands of the stomach play a major role in processing the carbohydrate molecules further. The digestive enzyme of the stomach also helps in
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flush out toxins‚ transport nutrients to cells or perform other vital bodily processes The Start The whole journey of the cheese sandwich starts from the mouth. First of all the cheese sandwich is chewed by the teeth and is ingested. The enzyme amylase in the saliva which breaks down substances like starch into glucose. This makes it easier to swallow. Then it passes through the gullet‚ also called the oesophagus which is like a long tube located in the throat. The walls of the gullet contract
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carbohydrates: 1. Mouth- moistening of food due to the action of the salivary glands‚ polysaccharides breaks down by the salivary amylase. 2. Pulpy acidic fluid called chyme enters the stomach. Stomach acids destroy bacteria in the chyme. 3. In the small intestine (duodenum) and pancreas polysaccharides firstly breaks down into the disaccharides due to the action of pancreatic amylase and then to the monosaccharides due to action of such enzymes as lactase‚ maltase and sucrase. 4. All carbohydrates that
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Chapter 7: Carbohydrates I. Carbohydrates A. Most abundant organic molecule in nature a) 3 major classes: Monosaccharides – simple sugar – polyhydroxy aldehyde or ketone; represent individual sugar Oligosaccharides – consist of short chains of monosaccharide units joined together by covalent bonds; 2-10 strings of sugar Polysaccharides – long chains having hundreds or thousands of monosaccharide units b) Functions: Provide energy thru oxidation – glucose oxidized for energy Supply carbon
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6 primary functions of digestive system: 1. Ingestion- food intake 2. Secretion 3. Digestion- mechanical & chemical breakdown of food Mechanical Mastication- first step. Enables mixing with saliva to form bolus to be swallowed. Regulated by CNS. Deglutition Mixing/Churning Peristalsis- movement of muscles within GI tract that facilitates movement of food Chemical- Hydrolysis (using H2O) of macromolecules into monomers (residues) carried out by digestive enzymes produced by salivary glands
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with the mouth and ends with the anus (“Human Nutrition‚” 2011). It also consists of our salivary glands‚ as well as the pancreas and the liver. My saliva is set in the flow of a motion by my brain reflex that sets in whenever I see or smell food. Amylase is an enzyme that breaks starch down into sugar. It is often present in human saliva‚ where it begins the chemical process of digestion (Princeton University‚
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Enzyme Study Questions 1. Definitions/terminology: o enzyme: a protein molecule that catalyzes chemical reactions without itself being destroyed or altered o catalyst: a substance that increases the rate of a chemical reaction but is not consumed or changed by it. o substrate: a substance upon which the enzyme acts. o denaturation: the partial or total alteration of the structure of a protein without change in covalent structure by the action of certain
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