Crypt cells in the intestine are an example of adult stem cells.  Which one of the following is false regarding these adult stem cells?

Eosin is responsible for ________ color of a cell’s cytoplasm when using H&E stain.

Cells that are exposed to environmental stressors are sometimes injured, but most of the time they will be just fine, eventually.  What dictates whether or not a cell becomes injured due to stress.

  A mineral property defined as the density of the mineral sample divided by the density of water (1.0 g/cm3) is __________.  

A lack of dietary iodine can render the thyroid gland unable to synthesize TH. Without the negative feedback of TH, the anterior pituitary_________, ultimately resulting in the development of a goiter.

Blood plasma is slightly_________; if pH drifts out of the normal range, dire consequences can result from alterations in the structure of_________ .

Homologous structures in different species suggest:

How did Alfred Russel Wallace contribute to evolutionary theory?

Which of the following is an example of an analogous structure?

Gene flow is best described as: