TFIIE -80 to +30 For bacterial RNA polymerase, only the sigma factor is needed for the enzyme to recognize the promoter. The eukaryotic transcription factors may indeed act as sigma factors to allow the eukaryoitic RNA polymerase to recognize the promoter.
An energy pyramid is the graphical representation of the trophic levels (nutritional) by which the incoming solar energy is transferred into an ecosystem.The source of energy for living beings on Earth is the Sun.The energy that the Sun emits at present is of 1366.75 W/m^2 (400 years ago, it was of 1363.48 W/m^2).n energy pyramid is the graphical representation of the trophic levels (nutritional) by which the incoming solar energy is transferred into an ecosystem.
A pyramid that shows the availability of energy that connects the consumers with the decomposer    Shows the energy transfer between tropic levels. (10%) wrong An energ â¦ y pyramid shows that less and less food and energy is available as you go from the base to the top of the pyramid.+ 62 others found this useful.he amount of energy being passed on decreases as the pyramid goes up. For example, if the pyramid had 5 flowers on the bottom, 3 rabbits in the middle, and a h â¦ awk on top, the most energy would be with the flowers, and least passed on to the hawk.