… acid) codes for the production of essential proteins, such as enzymes and hormones. Proteins are long chains of molecules called amino acids. Different proteins are made by using different sequences and varying numbers of amino acids. The…

… medical discoveries of the 21st century is the use of embryonic stem cells in research and treatment of conditions that are considered incurable. Embryonic stem cell research raises many questions in morals and ethics in the medical community. <T…

… begins have a right. So why shouldn't animal have their rights? Human beings are no different from other animals, with no divine or elevated nature which makes us distinct. Human beings are ethically bound not to use other animals for their own selfish…

… antistoffer, dvs. det kan være et fremmed stof i f.eks. kroppen, men det kan også sagtens være inde i ens egen krop. Antigener kan være en del af en celles overflade eller bakteriernes overflade,…

… måle chlorid-indholdet i Lurpack smør ved Mohrs metode. Indholdet af chlorid i smøret ligger på 1,2%. På pakningen (Kærgården) er saltindholdet angivet…

… was to show us how to determine one's blood pressure and the different factors that affect blood pressure and pulse on a person while testing one's own fitness level. After 15 seconds of exercise, my pulse had risen to 196 beats per minute. By doing…

… other forms of pollution are becoming defined. Almost everyone knows about toxic waste and carbon dioxide pollution, but not many people have heard of salt pollution. Salt pollution has been on the increase since the evolution of the automobile. With…

… of antibiotic-resistant bacteria. Antibiotics have not only become ineffective against many kinds of bacteria, the overuse of antibiotics has created super resistant classes of bacteria that can resist all antibiotics and escape our own immune systems.…

… organisms, humans included, consists of one or more molecules of deoxyribonucleic acid, better known as DNA. In the nucleus of each human cell, there are 46 chromosomes, and each chromosome contains a single DNA molecule. For comparison, in the bacterial…

… brain, though particular structures differ in size, one structure, the Third Inistitial Nucleus of the Anterior Hypothalamus (INAH 3) is generally larger in the male population (LeVay, 1991) except in men who are homosexual. LeVay (1991) has shown…