Which best describes the extracellular matrix?
A. It is found just inside the cell membrane in all tissues, it sends branching collagen fibers between cells to connect them, and it transmits chemical information from the interior of one cell to the interior of adjacent cells.
B. It is a tissue having more than the four general cell types, it transports proteins and polysaccharides between body compartments, and it is the route by which chemical signals like hormones reach all parts of the body.
C. It covers the body's surface, it contains connective and muscle tissue, and it helps generate movement.
D. It surrounds cells; it contains proteins, polysaccharides, and minerals; it provides a scaffold for cell attachment; and it transmits chemical messengers to cells.
D
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A cell's ability to replenish ATP is reduced by a metabolic poison. Which organelle is being affected?
A. Ribosome B. Centriole C. Mitochondrion D. Nucleus E. Microtubule
Although hormones influence activity in the neural and reproductive systems, they do not influence the digestive system
Indicate whether this statement is true or false.
Continuous conduction of a nerve impulse occurs only along
A. myelinated axons. B. axons in the PNS. C. dendrites. D. axons in the CNS. E. unmyelinated axons.
In the anatomical position, the pinky finger is _________ to the thumb.
A.) posterior B.) medial C.) proximal D.) lateral E.) anterior