What is the main purpose of the extracellular matrix surrounding osteocytes?
a) Cell growth
b) Cell division
c) Bone repair
d) Bone strength
Answer: d) Bone strength
You might also like to view...
In Frederic Clements' view, succession proceeds to an end point called a(n)
A. S1. B. S2. C. equilibrium community. D. climax community. E. tolerant stage.
When threshold potential is reached, which of the following occurs?
a. The activation gates of Na+ channels open. b. The inactivation gates of Na+ channels open. c. The activation gates of K+ channels open. d. The inactivation gates of Na+ channels open. e. Na+/K+ active transport pumps are activated.
Why do we seldom see more than three consumer levels in natural systems?
1.There is not enough energy to support additional levels. 2.Animals haven’t evolved to feed on animals at the third level. 3.Humans take over the role of the fourth-level consumer. 4.There isn’t enough habitat for a fourth level.
In both mitosis and meiosis II, ____________.
A. the cells double in number, and the chromosomes in product cells also double in number B. the cells quadruple in number, and the chromosomes are reduced by half in each cell C. the cells double in number, and the number of chromosomes in each cell remains the same D. the cells quadruple in number, and the number of chromosomes in each cell remains the same E. the cells double in number, and the chromosomes are reduced by half in each cell