… into the scheme of life, we need to know what life is and what the properties of life are. The capabilities of viruses, viroids and prions and the diseases they cause. Should they be considered 'alive' if they only contain a few of life's properties…

… strands that present in the nucleus of living cells. DNA acts as the blueprint for all of the proteins synthesized by that cell. There are many chromosomal regions that vary widely between individuals called polymorphic DNA (poly="many", morph="form").…

… is composed of and describe the type of bond that holds those atoms together. Be sure to explain how this bond works. In science, a molecule is the smallest particle of a pure chemical substance that still retains its chemical composition and properties…

… found only in single-celled and colonial organisms. Eukaryotic cells have organelles with their own membranes. Single-celled eukaryotic organisms are very diverse, but many colonial and multicellular forms also exist. The first of eukaryotic cells…

… at quick rates. It is also often necessary to have consistent molecule concentration though out a cell. As a cell expands, volume becomes so great that passive means of transport such as osmosis become inadequate. Even active means, including ion…

… reproduction, or self-replication, has become better understood. At the core of this process is the DNA molecule. Though not itself alive, DNA is usually regarded as the sine qua non of life. DNA is considered the identifying mark of a living system.…

… "Viruses are alive." Comment on other postings. 2.<Tab/>The internal structure of many protists is much more complex than that of cells of multicellular organisms. 3.<Tab/> Does this mean that the protist is engaged…

… of a microorganism to destroy or be unaffected by an antibiotic, or prevent it from entering the microorganism. Micro-organisms acquire antibiotic resistance by DNA mutations, sexual DNA transformation or harboring plasmids. Most scientists blame the…

… steps to increase access to these life-prolonging HIV-treatments and to the broad range of prophylactic drugs needed to prevent disease and reduce suffering. First, the U.S. must adopt a trade policy that supports the implementation of emergency…

… are many single cells and many multi cellular organisms like us. <Tab/>Single cells have organelles that help them function <Tab/>Organelles: ·<Tab/>Mitochondrion: cell organelle involved…