… by which getting oxygen from air into the blood and carbon dioxide out of the blood into the air. Humans must exchange these gases with the environment because oxygen is essential for cells, which use this vital substance to release the energy needed…

… life processes, such as taking in nutrients, expelling waste, and reproducing. All living things are composed of cells. Some microscopic organisms, such as bacteria and protozoa, are unicellular, meaning they consist of a single cell. Plants, animals,…

… ), and Maurice Wilkins (1916- ) jointly received the Nobel Prize in medicine or physiology for their determination in 1953 of the structure of deoxyribonucleic acid (DNA). Because the Nobel Prize can be awarded only to the living, Wilkins's colleague…

… are the building blocks of life. They do many tasks in the body that keep us alive. They are structural and give us support, store food, defend by making antibodies, transport oxygen through blood, signal by hormones, and create enzymes. Proteins…

… what you leaned about water potential from Lab 1 (Diffusion and Osmosis) to the movement of water within the plant, 2.<Tab/>measure transpiration under different lab conditions, and 3.<Tab/>study…

… in opposite directions. Each chain is made of subunits called nucleotides. Each strand has a backbone made up of deoxy-ribose sugar molecules (5 sugars) linked together by phosphate groups. Each sugar molecule is covalently linked to one of four…

… 50 years, and the ever-growing global population needs vast amounts of food, energy and raw materials. We cannot continue to get our food, energy and raw materials in the way we do now without damaging the earth's environment beyond repair. Pollution,…

… this paper is Acquired Immunodeficiency Syndrome (AIDS), as it fits in well with all of the subjects being studied this semester. The nature of the disease lends itself perfectly to MD3002, Infection, Inflammation and Immunity, so this will be the major…

… eyelids slowly pry themselves open. It takes you a few seconds before you realize who you are, and where you are. For a split second surprised overwhelms you as your TC-500 UeRo mattress flips up forcing you to wake yourself up faster then you…

… all started one night on a cold New York winter a few years ago. It was cold out and I could barely feel my fingers from the cold breeze that night. I was going to stay in for the night but a couple of friends deciding on going out. So I joined my…