Biologu Crossword
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
 
 
Down: 1) is the number apperarance of chromosome in the nucleus of a eukaryotic cell2) controls what comes in and out of the cell3) a membrane that allows some molecules to pass through but not others6) described the spread of particles through random motion from region of lower concentration Across: 4) the release of energy from glucose or another organic substrate in the presence of oxygen5) is the movement of molecules across the cell that does not require expenditure of energy (atp)7) the movement of a substance against its concentration gradient (from low to high concentration)8) to pass through a semi permeable membrane into a solution where the solvent concentraion is higher9) starts by breaking down the molecules of glucose and produce pyruvic acid10) is a process in which a substance gains entry into a cell without passing through the cell membrane
 

 

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