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When water and oil are added to a test tube, the two liquids form two separate...

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Biology

  1. When water and oil are added to a test tube, the two liquidsform two separate layers (think of oil and vinegar in a bottle ofsalad dressing). If a solution of phospholipids was added to amixture of water and oil, where would you find the phospholipids?Describe their orientation.

2.What is the name of the linkage that connects two nucleotidestogether in a strand of DNA or RNA?


3.In order to separate the two strands of DNA in a DNA doublehelix, what type of bond needs to be broken?

Thank you

Answer & Explanation Solved by verified expert
4.1 Ratings (506 Votes)
1Phospholipids are amphipathicstructures They have both hydrophilic and hydrophobic regionshydrophilic head and hydrophobic tail The structure ofphospholipid from the cell membrane is given belowThe nonpolar regions of thephospholipid would dissolve in the oil and the polar regions woulddissolve in the water if a solution of phospholipids was added to amixture of water and oilTherefore the layer ofphospholipid will be found in the middle of the water and oillayers2The DNA double helix structure ismade of two polynucleotide    See Answer
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