In the figure above, which number identifies the tympanic membrane?
a. 4
b. 5
c. 6
d. 8
e. 10
E
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To what does RNA polymerase bind to begin the process of transcription?
A) promoter B) structural gene C) codon D) anticodon
A more or less circular ring of mushrooms appears in your yard, apparently overnight. The circle is several yards in diameter. The mushrooms appear to be producing spores. What is the most likely explanation for this circle of mushrooms?
A) The circle represents the fungal life cycle. B) The mushrooms are all part of the same organism, with mycelia radiating out from the location of a germinated spore. C) Mushroom spores were dropped by a circling bird, thus explaining the circular shape of the group of mushrooms. D) One mushroom in the circle reproduced sexually to make all the other mushrooms in the circle. E) The mushroom plants in the center of the circle were older and have already died or been eaten by herbivores.
The binding of a regulatory transcription factor to a(n) _________ can stimulate transcription 10- to 1000- fold, which is called _______________ regulation
Fill in the blank(s) with the appropriate word(s).
If fluid is leaving a capillary and entering the tissue, which of the following statements is true?
A. This is the venous end of the capillary. B. Plasma proteins are able to leave the capillary. C. The net pressure is in. D. Blood pressure is higher than osmotic pressure. E. Red blood cells are able to leave the capillary.