During which phase of growth would a primary metabolite be produced?
A. Exponential phase
B. Death phase
C. Stationary phase
D. Lag phase
E. All of the choices are correct.
Answer: A
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Of the following sequences, which one reflects the best scientific knowledge about the succession of Homo species from the past until the present?
A. Homo heidelbergensis ® Homo habilis ® Homo sapiens ® Homo erectus B. Homo habilis ® Homo heidelbergensis ® Homo erectus ® Homo sapiens C. Homo heidelbergensis ® Homo sapiens ® Homo erectus ® Homo habilis D. Homo sapiens ® Homo heidelbergensis ® Homo habilis ® Homo erectus E. Homo habilis ® Homo erectus ® Homo heidelbergensis ® Homo sapiens
What is the typical osmolarity of most body fluids in humans and other mammals?
a. about 225 mOsm/L b. about 300 mOsm/L c. about 1000 mOsm/L d. about 1500 mOsm/L
Among the variety of virulence factors possessed by pathogenic enteric bacteria, which ones allow them to evade the immune surveillance of its host?
What will be an ideal response?
Potential ORFs are identified by locating
a. OGREs. b. DNA sequences. c. genes. d. start and stop codons.