Bicarbonate forms when ________ splits
a. H2CO2
b. CO2
c. HCO3-
d. H2O
e. H2CO3
e
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An adaptive radiation may be triggered after the demise of a successful group
a. True b. False
Which of the following are NOT one of Stuart Levy's guidelines for limiting the development of antibiotic resistance?
A) To avoid contracting food-borne bacteria, consumers should wash fruits and vegetables and avoid raw eggs and undercooked meat. B) Consumers should always use antibacterial soaps and cleaners, even when no perceived bacterial threat is present. C) Patients should not request antibiotics for viral infections, such as colds or flu. D) When they take antibiotics, patients should complete the course of treatment. E) To avoid spreading infections from patient to patient, physicians should wash their hands thoroughly between patients.
In the GAL gene system, which protein binds to the activation domain of the activator protein, ultimately blocking transcription in the absence of galactose?
What will be an ideal response?
Which of the following strategies enable non-acidophilic bacteria to endure lower pH environments?
A. Proton pumps that pump H+ out of the cell B. Synthesis of acid shock proteins that protect other cellular proteins C. Presence of internal buffers D. All of the choices are correct.