In the case, the patient was started on antibiotic therapy for treatment indicating that the physicians believed his infection was caused by a _______.
A. protozoan
B. virus
C. fungus
D. bacterium
D. bacterium
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If you were designing a method to specifically inhibit prokaryotic transcription, but not eukaryotic transcription, interfering with which of the following would work best?
A) an intercalating agent B) recognition of the promoter region C) DNase activity D) RNA polymerase II activity E) ribosomal binding
To replicate this experiment, researchers only needed one population of bacteria, because bacterial populations contain millions of individuals.
a. true b. false
Suppose that during the embryonic development of a hand, homeotic gene expression is altered such that the dorsal-ventral axis is switched. What is the most likely outcome of this scenario?
A) The palm and back of the hand will be switched. B) The pinky and thumb would be switched. C) The shoulder and hand would be switched. D) The foot and hand would be switched.
You observe a mass of amoeba-like cells that swarm together, form a stalk, and produce spores. This is a(n)
A) ascomycete. B) cellular slime mold. C) Euglenozoa. D) tapeworm. E) plasmodial slime mold.