What organisms are heterotroph?_____________ A. Organism that makes its own organic compounds using an environmental energy source. B. Organism that can’t makes its own organic compounds, feed by others. C. Both A and B D. Neither

Select a statement that is not true about bacteria     A. Some bacteria cause human disease   B. Some bacteria are autotrophs   C. Bacteria can be found within rocks kilometers below the Earth’s surface   D. All organisms with cells containing a membrane-enclosed nucleus and organelles are eukaryotes, whereas all organisms with cells lacking a membrane-enclosed nucleus and organelles are bacteria

During the ____________________ phase of microbial population growth, the rate of cell division begins to slow down or division stops entirely.   a. stationary b. lag c. death d. exponental growth

Which statement is false regarding bacterial cell walls?                                                                                                                                                                                                          A.    Both Gram positive and Gram negative bacteria contain peptidoglycan in the cell wallB.    Gram negative bacteria have a thin layer of peptidoglycan and stain pinkC.    Gram (+) bacteria are positively charged due to phosphate groups in teichoic acidsD.    Gram (-) bacteria have an outer cell wall containing lipopolysaccharideE.    Both teichoic acids and lipopolysaccharide can be used to separate bacterial species