Plate count agar is not a selective medium.
A) True
B) False
A) True
Feedback: This answer is true, plate count agar is used to determine total bacterial growth in a sample.
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The most likely region of the radio spectrum for communication with other civilizations is the water hole, the part of the spectrum
a. near the radio emission of water. b. near the radio emission of oxygen molecules. c. between the radio emissions of hydrogen and oxygen. d. between the radio emissions of hydrogen and OH. e. near the radio band where water in the Earth's atmosphere strongly absorbs energy.
From where does the oxygen gas released in
photosynthesis come?
a. water b. carbon dioxide c. sunlight d. glucose e. ATP
The introduction of a few individuals into a new habitat that is unoccupied by other members of the species is a(n)
A) temporal isolation. B) founder event. C) adaptive radiation. D) limited speciation. E) extinction.
Juan has influenza and has aches, pains, and a fever. His mother, a physician, tells him to take an antipyretic. What is she telling him to take?
A. an antihistamine B. acetaminophen, like tylenol C. herbal tea with honey D. an antiviral drug, like tamiflu E. an antibiotic, like erythromycin