What Did Davson and Danielli Add to Their Model of Enzyme

question 72

Multiple Choice

What did Davson and Danielli add to their model of enzyme structure to explain the passage of polar solutes and ions through the membrane and to account for their selective permeability?

• A)They proposed protein-lined pores.
• B)They proposed lipid-lined pores.
• C)They proposed carbohydrate-lined pores.
• D)They proposed a protein coating on the cytoplasmic surface of the membrane.
• E)They proposed a carbohydrate coating on the external surface of the membrane.

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