Biology Ch. 2 Crossword
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
 
 
Down: 2) a dissolved substance3) a molecule that lacks a carbon based backbone and C-H bonds4) deoxyribonucleic acid, the material that contains the information that determines inherited characteristics7) simple sugars8) "water-loving" molecules will dissolve in water9) an electrically uncharged subatomic particle found in the nucleus of an atom10) the binding together of like molecules, often by hydrogen bonds11) a measure of the concentraion of hydrogen ions in a solution18) a molecule in which electrons are not shared equally between atoms causing a partial negative charge at one end and a partial positive charge at the other (ex:water)20) "water-fearing" molecules will not dissolve in water22) an infectious agent made up of a protein shell that encloses genetic information24) the basic structural unit of living organisms26) the smallest unit of an element that cannot be chemically broken down into smaller units27) a mixture of solutes dissolved in a solvent28) the building block, or monomer, of a carbohydrate29) a positively charged subatomic particle found in the nucleus of an atom31) polymers linked together in a chain33) a type of lipid that forms the cell membrane34) a chemically pure substance that cannot be chemically broken down37) nucleic acid molecule that allows for the transmission of genetic information and protein synthesis38) a substance that increases the hydrogen ion concentration of solutions41) a molecule made up of subunits42) the ability to do work49) a substance that reduces the hydrogen ion concentration of solutions51) an electrically charged atom, the charge resulting from the loss or gain of electrons Across: 1) organic molecules that generally repel water5) a weak electrical attraction between a partially positive hydrogen atom and another atom with a partial negative charge6) process by which organisms maintain a relatively stable internal environment12) a strong chemical bond resulting from the sharing of a pair of electrons between two atoms13) attraction between molecules of different substances14) an organic molecule made up of one or more sugars15) all the chemical reactions taking place in the cells of a living organism that allow it to obtain and use energy16) atoms linked by covalent bonds17) a type of lipid that forms the cell membrane19) large organic molecules that make up living organisms21) anything that takes up space and has mass23) organic molecules made up of linked nucleotide subunits (ex:RNA and DNA)25) a double layer of lipid molecules that characterizes all biological membranes30) a protein-only infectious agent32) a molecule with a carbon-based backbone and at least one C-H bond35) the building block, or monomer, of a nucleic acid36) long chains of sugar units linked together; includes starch and fiber39) an organic molecule made up of linked amino acid subunits40) a negatively charged subatomic particle with negligible mass43) the building block, or monomer, of a protein44) the building blocks of proteins45) the dense core of an atom46) the building blocks of DNA, each one consisting of a sugar,a phosphate, and a base47) one chemical subunit of a polymer48) a strong electrical attraction between oppositely charged ions50) a type of lipid found in fat cells that stores excess energy for long-term use
 

 

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