Terms : Hide Images
| the science of life or living matter in all its forms | ||
| a coherent group of general propositions used as principles of explanation of a class of phenomena | ||
| a proposition set forth as an explanation for the occurrence of some specified group of phenomena | ||
| any alteration in a structure or function of an organism or any of it's parts that results from natural selection by which the organism is better fitted to survive and multiply in it's environment | ||
| a category of the highest rank, grouping together all forms of life having certain fundamental characteristics in common | ||
| the usual major subdivision of a family or subfamily in a classification of organisms | ||
| the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound | ||
| the process by which forms of life having traits that better enable them to adapt to specific environmental pressure i.e. changes in climate, food & mate competition | ||
| a grouping of tissues into a distinct structure | ||
| an aggregate of similar cells and cell products forming a definite kind of structural material with a specific function in a multicellular organism. | ||
| the substance or substances of which any physical object consists or is compounded | ||
| a material made up of two or more parts of an element | ||
| the smallest unit of matter consisting of a nucleus surrounded by one or more shells of electrons | ||
| any two or more forms of a chemical element having the same number of protons in a nucleus and the same atomic number, but a different number of neutrons/ a different atomic weight | ||
| a grouping of electrons surrounding the nucleus of an atom | ||
| the bond formed by sharing a pair of electrons between two atoms | ||
| the electrostatic bond between two ions formed through the transfer of one or more electrons | ||
| a substance that dissolves another to form a solution | ||
| any substance or mixture of compounds that, added to a solution, is capable of neutralizing acids and bases without changing the original acidity or alkalinity of a solution | ||
| any substance that undergoes a chemical change in a given reaction | ||
| a chemical compound only of the elements of carbon and hydrogen | ||
| an assemblage of atoms to form the chemically reactive part of an organic molecule | ||
| a chemical process in which a polymer forms as monomers and are linked by the removal of water. one molecule of water is removed for each pair of monomers linked. also called cohesion | ||
| a chemical process in which molecules are broken down as water and are added to bonds linking the monomers composing them; it is an essential part of digestion | ||
| a complex, extensively branched polysaccharide of many glucose monomers; serves as an energy storage molecule in the liver and muscle cells | ||
| pertaining to fats and fatty acids whose hydrocarbon chains containing the maximum number of hydrogens and therefore having no double covalent bonds. | ||
| a synthetic variant of the male hormone testosterone that mimics some of its effects. | ||
| a process by which protein unravels, losing its specific conformation and hence function; can be caused by changes in pH | ||
| an organic monomer consisting of 5-carbon sugar, covalently bonded to a nitrogenous base and a phosphate group; building block of nucleotides. | ||
| two polynucleotides wrapped around each other. | ||
| microscope that produces an electronically-magnified image of a specimen for detailed observation; uses a particle beam of electrons to illuminate the specimen and create a magnified image of it | ||
| a microscope whose electron beam produces images by probing the specimen with a focused electron beam that is scanned across a rectangular area of the specimen | ||
| uses a high voltage electron beam to create an image. | ||
| a type of cell lacking a membrane enclosed nucleus and other membrane enclosed organelles; found only in bacteria cells | ||
| a type of cell that has a membrane enclose nucleus and other membrane enclosed organelles | ||
| an organelle in the eukaryotic cells consisting of stacks of membraneous sacs that modify, store, and ship products of the endoplasmic reticulum | ||
| a digestive organelle in eukaryotic cells; contains hydrolic enzymes that digest the cell's food and waste | ||
| a organelle found in plants and photo-synthetic protists, enclosed by two concentric membranes | ||
| organelles that convert energy from one chemical form to another; carries out the process of cellular respiration | ||
| a mesh work of fine fibers that provide structural support for the eukaryotic cell | ||
| a membraneous enclosed sac, part of the endomembrayne system of the eukaryotic cell, having diverse functions | ||
| a rope-like ejection that produces from the cell body of certain prokaryotic and eukaryotic cells |
