Carbonic anhydrase is abundant in
A. alveolar air.
B. red blood cells.
C. blood plasma.
D. spaces between cells of capillary walls.
Answer: B
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Matching
A) Tight junctions B) Gap junctions C) Desmosomes 31) Help prevent molecules from passing through the extracellular space between adjacent cells. 32) Type of anchoring junction. 33) Allows ions and small molecules to pass through from one cell to another. 34) Present in electrically excitable tissues. 35) Abundant in tissues subjected to great mechanical stress.
Which choice places the steps of intramembranous ossification in correct chronological order?a: Formation of lamellar boneb: Osteoid undergoes calcificationc: Ossification centers formd: Formation of woven bone and its periosteum
A. a - c - d - b B. c - b - a - d C. c - b - d - a D. b - a - c - d E. b - c - d - a
A joint in which the bone can move in two planes is said to be __________
Fill in the blank with correct word.
Specialized bone cells that build new bone tissue are called what?
A. periosteum B. osteoblasts C. osteoclasts D. epiphysis