Select all of the following that are functions of membrane proteins. Please spec

Question

Select all of the following that are functions of membrane proteins. Please specify the only one that would apply.

*transport chemicals into and out of cell

*form plant cell wall

*provide binding site for cholesterol

*serve as recognition molecules

*anchor cell membrane to cytoskeleton

II.Suppose a researcher successfully produced a membrane composed of saturated triglycerides rather than from phospholipids. What characteristics would you expect the saturated triglyceride membrane to have? Select all that apply. (Hint: Review saturated fats in section 2.5E.)Please specify the only one that would apply.

*Hydrophilic molecules would easily pass through the membrane.

*hydrophobic molecules would be attracted to the membrane.

*the membrane would be fluid at room temperature

*the saturated triglycerides would not form a bilayer.

Explanation / Answer

1. All that apply - transport chemicals into and out of cell, provide binding site for cholesterol, serve as recognition molecules, anchor cell membrane to cytoskeleton

only one that would apply. - transport chemicals into and out of cell

2.   all that apply - hydrophobic molecules would be attracted to the membrane, the membrane would be fluid at room temperature, the saturated triglycerides would not form a bilayer.

only one that would apply. - the saturated triglycerides would not form a bilayer.

Triglycerides are heavily nonpolar and tend to form aggregates in polar solvents such as water. No it not able to form bilayer like phospholipidbilayer.

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