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Which of the following statement is correct? a. Promoters of highly tissue specific genes usually have CpG islands. b. GC boxes are essential for transcription c. transcription is highly regulated process d. TATA boxes are essential for transcription e. all of the options are correct
uestion 1
The pH of a solution describes its acidity or alkalinity: Describe how pH and H3O+ concentration are related and explain why diluting an acid raises the pH, but diluting a base lowers the pH.
If the sea water carbonate ion concentration is 270 µmol/kg, what is the approximate rate of calcification, and approximately how many days would it take 1 square meter of reef to accumulate 40 mmol of calcium carbonate (CaCO3)?
1. Make a chart listing the different species in this movie, where they are normally found
and what happens to them at the end of the movie (and why it happens)
how do you Outline the steps that must occur for a eukaryotic cell to begin synthesis of a protein?
include where in the cell each step is occurring (i.e., nucleus, cytoplasm etc.).
Allocate a suitable abbreviation for Tubby and non-tubby flies
Ana wants to engineer a super archaea which can survive and thrive in extremely hot and hypersaline water. What characteristics should she use to achieve the organism? Provide at least 3.
In the Oparin-Haldane experiment, an electrode was used to induce an electric spark into the apparatus, which converted certain gases into organic small molecules after they were circulated by steam generated by boiling water.
For 2.1 seconds, a barracuda chased a smaller fish. Both fish were near a coral reef, 225 meters north of the closest beach. During the chase, the barracuda swam east at 4.0 meters per second. How far did the barracuda swim while it was chasing the smaller fish?
H2PO4- (aq) ⇆ H+(aq) + HPO42--(aq)
Based on the equation above, which ion plays the role of hydrogen-ion donor (acid) and which ion plays the role of hydrogen-ion acceptor (base) in PBS?
