BIOS 242 Week 3 Assignment; Microbial Nutrition

1. The organisms that can use inorganic carbon and the energy of chemical reactions ______ . 2. A ______ requires organic molecules for carbon and energy from sunlight. 3. During ______ transport water transfers through semi permeable following concentration gradient. 4. Microorganisms living in soil and water associated with volcanic activity, compost piles, habitats directly exposed to the sun are ______. 5. In ______ transport nutrients are transported against the diffusion gradient or in the same direction as the natural gradient but at a faster rate with energy expenditure 6. A ______ environment has a higher concentration of solutes outside the cell than inside the cell. 7. Pathogenic microbes have an optimum growth temperature in the ______ range. 8. A ______ anaerobe can grow in the presence of oxygen but does not require it. 9. Obilgate ______ inhabit the Dead Sea. 10. Most microorganisms grow at neutral pH and are called ______ 11. In a ______ relationship, one member benefits and the other is harmed in some way. 12. In ______ phase newly inoculated cells require a period of adjustment, enlargement, and synthesis; are not yet multiplying at their maximum rate. 13. The period during which the growth curve increases geometrically is called ______, the microbes are more vulnerable to these agents than those in the stationary phase. 14. ______ release enzymes into environment to digest food into smaller particles that can be transported into the cell. 15. ______ tube is used to identify the oxygen requirement of an unknown microorganism.