Organisms that have their optimum growth pH between 5.5 and 8.0 are called ________.
Fill in the blank(s) with the appropriate word(s).
neutrophiles
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When a neuron membrane potential goes below its resting value it becomes ____
a. depolarized b. hyperpolarized c. repolarized d. damaged e. re-stimulated
Which is incorrect about Mycoplasma pneumoniae?
A. After 2 to 3 weeks, develops into an unproductive cough and earache B. Has birds as a reservoir C. Initially causes fever, malaise, sore throat, and headache D. Is a bacterial cell without a cell wall E. Common cause of primary atypical pneumonia
If houseplants must be left unattended for a length of time, some people recommend placing plastic bags over them. What is the reasoning behind this?
a. Water tension will decrease. b. The plants won't freeze. c. Photosynthesis will increase because of trapped carbon dioxide. d. Transpiration will be slowed and more water will be retained in the soil. e. The bag will trap oxygen.
If a person is poisoned with cyanide they cannot generate ATP and die within a few minutes. In this scenario, what would happen to sodium and potassium concentrations across a cell membrane?
A. Sodium would be higher outside the cell and potassium would be higher inside the cell. B. Sodium would be higher inside the cell and potassium would be higher outside the cell. C. Sodium and potassium would reach equilibrium. D. Sodium and potassium concentrations would both be higher outside the cell. E. Sodium and potassium concentrations would both be higher inside the cell.