The orbital complex includes part of the sphenoid bone
Indicate whether this statement is true or false.
TRUE
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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.
A fertilized egg, which represents the first cell of a new individual, is called a(n) ________
A) blastocyst B) zygote C) fetus D) embryo
Regulatory proteins turn these on and off in accordance with changing needs for the proteins they encode.
a) enzymes b) proteins c) ribosomes d) genes
A high count of which of the white blood cells shown in the figure may indicate cancer or hypothyroidism?
a) A b) B c) C d) D e) E