What enzyme assists in DNA synthesis? (two words)
What will be an ideal response?
DNA polymerase
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External economies (typically achieved in urban areas) result from all of the following except
A) shared labor markets. B) shared information and innovation. C) shared infrastructure. D) shared fixed social capital. E) shared profits.
Which of the following represents a different principle for food preservation?
A. Heating B. Addition of salt C. Freeze-drying D. Smoking
Most marine invertebrates are osmoconformers. This means that
A. the osmolarity of their body fluids is equal to that of the osmoregulators who inhabit the same environments. B. that their body fluids contain the exact same solutes in the same concentration as their surroundings. C. the osmolarity of their body fluids is the same as their seawater environment. D. that their body fluids contain the exact same solutes in the same concentration as their cells. E. the osmolarity of their body fluids fluctuates between hypertonic to hypotonic depending on the season and the tides.
Which is NOT true regarding transcriptional controls in Archaea?
a. Like Eukarya, they use several transcription factors to interact with RNA polymerase. b. Their control mechanisms more closely resemble those of Bacteria than Eukarya. c. Archaeal repressor proteins block the binding of RNA polymerase or of TBP and TFB. d. Archaeal activator proteins recruit TBP to the promoter.