Bio-105 Exam 1 Latest Version Already Graded A

Bio-105 Exam 1 Latest Version Already Graded A biology The study of living organisms and their interactions with one another and their environmnets cell smallest fundamental unit of structure and function in living thiings biosphere collection of all living things on earth community set of populations inhabiting a particular area ecosystem all living things in a particular area together with the abiotic parts homeostasis ability of an organism to maintain constant internal condtions macromolecule large molecule, typically formed by joining of smaller molecules molecule chemical structure consisting of at least two atoms held together by one or more chemical bonds organ collection of related tissues grouped together organ system level of organization that consists of functionally related interacting organs organelle small structures that exist within cells and carry out cellular functions organism individual living entity population all of the individuals of a species living within a specific area prokaryote single-celled organism that lacks organelles and does not have nuclei surrounded by a nuclear membrane tissue group of similar cells carrying out related functions adhesion attraction between water molecules and other molecules aromatic hydrocarbon hydrocarbon consisting of closed rings of carbon atoms buffer substance that prevents a change in pH by absorbing or releasing hydrogen or hydroxide atoms capillary action occurs because water molecules are are attracted to charges on inner surfaces of narrow tubular structure such as glass tubes, drawing water to the sides of the tubes cohesion inter molecular forces between water molecules caused by the polar nature of water; responsible for surface tension enantiomers molecules that share overall structure and bonding patterns, but differ in how the atoms are three dimensional placed such that they are mirror images of each other geometric isomer isomer with similar bonding patterns differing in the placement of atoms alongside a double covalent bond hydrocarbon molecule that consists only of carbon and hydrogen hydrophillic describes ions or