In the Lab,you Choose to Design a Simple Experiment to Distinguish

question 21

Multiple Choice

In the lab,you choose to design a simple experiment to distinguish between hydrophilic and hydrophobic substances.You start by adding equal amounts of vinegar and oil to a container.After shaking,the vinegar and oil levels separate,based upon polarity and density.To this you add glucose and sodium citrate and shake again.Where do you expect to find the glucose and sodium citrate in greatest quantities?

• A)Both will concentrate in the oil layer.
• B)The glucose will concentrate in the vinegar,sodium citrate in the oil.
• C)Both will concentrate in the vinegar layer.
• D)Sodium citrate will concentrate in the vinegar,glucose in the oil.
• E)Both will be uniform throughout both layers.

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Definitions:

Smooth Endoplasmic Reticulum

A type of endoplasmic reticulum without ribosomes, involved in lipid synthesis and detoxification processes.

Rough Endoplasmic Reticulum

A network of membranous tubules within the cell covered with ribosomes, involved in protein synthesis and modification.

Lipid Synthesis

Lipid synthesis is the biochemical process by which organisms produce lipids, essential components of cell membranes and energy storage.

Protein Synthesis

The process by which cells build proteins based on the genetic instructions encoded in DNA and carried by RNA.