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I need some help with these how would you apporach them to answer it any hints: 1) whether two solvents will mix or which will sit on the top? 2) how to prepare molar solutions? 3) finding errors in transcribing results? 4) what are serial and non-serial dilution and what they are used for? Pls help thx

I need help to figure out a method of obtaining a DNA fragment containing the full coding sequence for human rhodopsin. Also does anyone know how you would determine the number and size of rhodopsin transcripts in the human retina?? I have found out that the human retina has 3 rhodopsin transcripts sized 2.8,1.9 and 1.5kb. can someone tell me about the mechanism that produces these and what the functional significance might be??? Thx In advance

I am doing a reasearch on enzyme nomenclature and need help on 2 concepts tht I am stuck on, they are the class of enzymes and the types of reactions. This is University Level work. If anyone can put some examples here that be great. thx in advance

I just need help relating them to thier functions, and if someone can help me understand the functions and how they relate tht be helpfull.

4. List 6 types of cell found in the retina and briefly describe their functions. 5. Compare and contrast the gross and microscopic structure of the small and large intestine and briefly relate this to function. Need to write an essay from these questions if anyone can help me with the research I will be very greatfull.