Biology Ch. 2 Crossword
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
                                                       
 
 
Down: 1) a molecule made up of subunits3) a type of lipid found in fat cells that stores excess energy for long-term use4) process by which organisms maintain a relatively stable internal environment5) a substance that reduces the hydrogen ion concentration of solutions8) a molecule that lacks a carbon based backbone and C-H bonds10) one chemical subunit of a polymer11) an electrically uncharged subatomic particle found in the nucleus of an atom12) the ability to do work17) polymers linked together in a chain19) the dense core of an atom21) a negatively charged subatomic particle with negligible mass22) an organic molecule made up of linked amino acid subunits23) organic molecules that generally repel water24) "water-fearing" molecules will not dissolve in water29) a molecule with a carbon-based backbone and at least one C-H bond31) organic molecules made up of linked nucleotide subunits (ex:RNA and DNA)32) an electrically charged atom, the charge resulting from the loss or gain of electrons36) a substance that increases the hydrogen ion concentration of solutions38) the building blocks of proteins41) a measure of the concentraion of hydrogen ions in a solution43) a positively charged subatomic particle found in the nucleus of an atom47) nucleic acid molecule that allows for the transmission of genetic information and protein synthesis Across: 2) the building blocks of DNA, each one consisting of a sugar,a phosphate, and a base6) atoms linked by covalent bonds7) a double layer of lipid molecules that characterizes all biological membranes9) a chemically pure substance that cannot be chemically broken down13) a dissolved substance14) a mixture of solutes dissolved in a solvent15) 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)16) the basic structural unit of living organisms18) a strong chemical bond resulting from the sharing of a pair of electrons between two atoms20) "water-loving" molecules will dissolve in water25) a weak electrical attraction between a partially positive hydrogen atom and another atom with a partial negative charge26) a type of lipid that forms the cell membrane27) deoxyribonucleic acid, the material that contains the information that determines inherited characteristics28) simple sugars30) a strong electrical attraction between oppositely charged ions33) attraction between molecules of different substances34) long chains of sugar units linked together; includes starch and fiber35) an organic molecule made up of one or more sugars37) anything that takes up space and has mass39) the building block, or monomer, of a protein40) all the chemical reactions taking place in the cells of a living organism that allow it to obtain and use energy42) the building block, or monomer, of a nucleic acid43) a type of lipid that forms the cell membrane44) large organic molecules that make up living organisms45) an infectious agent made up of a protein shell that encloses genetic information46) the smallest unit of an element that cannot be chemically broken down into smaller units48) the building block, or monomer, of a carbohydrate49) the binding together of like molecules, often by hydrogen bonds50) a protein-only infectious agent
 

 

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