Bone-forming cells that secrete unmineralized bone matrix called osteoid. Osteoblasts are actively mitotic.
What will be an ideal response?
Osteoblasts
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Enzymes, once released from plant and animal cells, can remain present and function independent of the organisms that synthesized them.
Answer the following statement true (T) or false (F)
All of the following are either structures or characteristics of members of the Class Bivalvia of the Phylum Mollusca except
A. the mantle. B. a radula. C. a shell. D. gills. E. open circulation.
vA physician using a microscope to examine suspect cells in biopsy tissue would expect to find each of the following characteristics in metastatic cancer cells except
A) poorly differentiated cells. B) many dividing cells. C) perfectly spherical nuclei. D) a poorly defined tumor boundary. E) a high nucleus to cytoplasmic volume ratio.
The folded inner membrane in mitochondria which increases that surface area for chemical reactions to take place is called the ______.
a) thylakoids b) centrioles c) chromatin d) cristae