In the glycocalyx, ________ act like identification tags that enable the body to distinguish its own cells from foreign and diseased cells.
A. cell-adhesion molecules
B. glycoproteins
C. phospholipids
D. cholesterol molecules
E. lipoproteins
Answer: B
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________ fractures are completely internal; they do not break through the skin
A) Open or compound B) Closed or simple C) Compression D) Recurrent E) Comminuted
Identify the six broad categories for classifying a bone according to shape
A) compact, lamellar, osteon, spongy, trabeculae, cancellous B) flat, sutural, long, irregular, sesamoid, short C) spine, line, fossa, crest, facet, ramus D) flat, thick, wide, long, triangular, round E) round, thick, square, triangular, trapezoid, skinny
The length tension-relationship in smooth muscle:
A. is similar to that in skeletal muscle, except smooth muscle can adapt to stretch B. is similar to that in skeletal muscle, with an invariant optimal length range C. shows a continual increase in force of contraction as the muscle is stretched D. shows very little force development when only 50% of the myosin is phosphorylated E. requires InsP3-induced Ca++ release from the SR