Which of the following is the correct operational
sequence in the molecular mechanisms of cell-to-cell
communication?
I. signal transduction
II. receptor activation
III. functional response
a. I >>> II >>> III
b. II >>> I >>> III
c. III >>> I >>> II
d. II >>> III >>> I
e. I >>> III >>> II
Answer: b
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Which combination describes the plasma membrane?
A) Hydrophilic interior, hydrophobic exterior B) Hydrophilic interior and exterior C) Hydrophobic interior, hydrophilic exterior D) Hydrophobic interior and exterior
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Indicate whether the statement is true or false
Character states shared by the ancestor or outgroup of a clade are called
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