Suppose that you use the sequence of the lacI gene, whose function you know is to encode a transcription factor, to find similar sequences in another bacterial strain. Are you more likely to find similar operons or similar transcription factors?
What will be an ideal response?
transcription factors
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Which of the following is the cancer of epithelial cells?
A. sarcoma B. lymphoma C. leukemia D. carcinoma E. myoloma
The primary function of the large intestine is
a. formation of feces. b. retention of water. c. manufacture of vitamin K. d. digestion of fats. e. absorption of water
A student performed the modified use-dilution test described in this exercise, after incubation the nutrient broth appeared cloudy. What does this mean?
A) The disinfectant was effective at killing all the bacterial cells on the washer B) The disinfectant was not effective at killing all the bacterial cells on the washer
A "summer cold" that lasts for weeks and is characterized by sore throat, mild fever, dry cough, and malaise may be (pneumococcal/staphylococcal/walking) pneumonia
What will be an ideal response?