Communication between cells is essential to coordinate the activity of the trillions of cells that make up the human body. Which of the following is (are) directly involved in carrying out communication between cells?

A. lipid bilayer of the plasma membrane
B. both receptor proteins of the plasma membrane and chemical signal molecules released by cells
C. receptor proteins of the plasma membrane
D. mitochondria
E. chemical signal molecules released by cells


B

Anatomy & Physiology

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Which of the following is only found on the axis vertebra?

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Which of the following terms is (are) defined correctly?

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The majority of synapses in the nervous system are:

A) voltage. B) mechanical. C) chemical. D) electrical.

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The mitochondria of __________ fat contain a unique uncoupling protein called __________

Fill in the blank(s) with correct word

Anatomy & Physiology