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  Pick 3 of the structures labeled above and define their functions (4 points total) Letter ____: Structure and Function:  Letter  ___: Structure and Function: Letter ___: Structure and Function: 

Answer 1 out of the 2 following questions Compare and contrast a prokaryote and eukaryote cell. In your answer include at least 2 similarities and 2 differences. You should also provide 1 example each for a prokaryote and eukaryote cell. OR What are four structures/organelles that all cells have in common?

In the Na+/K+ pump, in which direction are the ions pumped across the membrane?

What determines the direction that glucose is transported across the membrane through the glucose transporter?

Which one does not affect the fluidity of membranes?

At which site on the DNA of a gene does RNA polymerase release its newly made RNA?

Which family of enzymes adds the amino acid to the tRNA during the process of translation?

In which type of mRNA degradation, decapping enzymes initiate the process of mRNA degradation?

All of these are present in the RNA molecule, except

In eukaryotic transcription, what causes the switch from initiation to elongation?