BIO 214 MICROBIOLOGY Questions and Complete solutions

BIO 214 A red blood cell made up of 15% potassium has a sodium potassium channel that moves the potassium ions across the cell membrane. If the surrounding plasma which contains 35% potassium, which way will the solute move? ANSWER: into the cell A red blood cell made up of 15% potassium has a sodium potassium channel that moves the potassium ions across the cell membrane. If the surrounding plasma which contains 35% potassium, then the plasma is ______________ to the cell. ANSWER: Hypertonic A red blood cell made up of 15% potassium has a sodium potassium channel that moves the potassium ions across the cell membrane exists in plasma consisting of 35% potassium. What type of transportation is this scenario? ANSWER: Facilitated Diffusion Which of the following require the cell to use ATP? None of the choices are correct Endocytosis Facilitated diffusion Osmosis Diffusion ANSWER: Endocytosis An organism that grows slowly in the cold but has an optimum growth temperature of 32 degrees Celcius is called a(n): Psychrophile Thermophile Facultative psychrophile Extremophile ANSWER: Facultative psychrophile A microorganism that does not have catalase or superoxide dismutase would find it difficult to live in an