Which of the following triggers the release of calcium from bones?
A) Oxytocin
B) Parathyroid hormone
C) Insulin
D) Calcitonin
E) Prolactin
B
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The biome with the most complex diversity is the
a. tundra. b. taiga. c. tropical rain forest. d. desert. e. grassland.
More than one mode of inheritance can be seen for a single trait. Indicate whether the statement is true or false
A molecule occupies the active site of an enzyme so that there can be no normal enzyme-substrate complex formed. This is called
A. enzyme completion. B. denaturation. C. enzyme inhibition. D. enzyme specificity.
Classification. Match the following descriptions with the most appropriate group listed below.
A. Prokaryotic B. Based on fossils, oldest, still living organisms C. Unicellular organisms of considerable internal complexity D. Unicellular eukaryotic producers E. Multicellular producers F. Most common multicellular decomposers G. Multicelled mobile consumers