Specificity Is an Important Characteristic of Intercellular Communication; Which of These

question 6

Multiple Choice

Specificity is an important characteristic of intercellular communication; which of these best explains why it occurs?

• A)because all cells have very similar compositions of their phospholipid membranes
• B)because protein receptors are only located on the surface of target cells
• C)because all cells have the same DNA,so any cell can express protein receptors for a specific chemical
• D)because chemical messengers are all proteins
• E)because protein receptors for chemical messengers are only expressed in specific target cells

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