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
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Which of the following is only found on the axis vertebra?
A. Transverse foramen B. Spinous process C. Dens (odontoid process) D. Vertebral arch E. Superior articular facet
Which of the following terms is (are) defined correctly?
3-26-2013 A) Malnutrition:poor nutrition that results from a lack of essential nutrients B) All of the above C) Bulimia:binging and purging D) Adequate diet:diet that provides sufficient energy and essential nutrients for growth, maintenance, and repair of tissues
The mitochondria of __________ fat contain a unique uncoupling protein called __________
Fill in the blank(s) with correct word
The majority of synapses in the nervous system are:
A) voltage. B) mechanical. C) chemical. D) electrical.