Cell Cycle - Multicellular Life - 5.5

A

Stem cells are important to multicellular organisms because of their A. capacity to differentiate. B. tendency to maintain homeostasis. C. potential to become totipotnet. D. ability to relocate.

C

Which of the following is a direct result of a normal cell's ability to express only certain genes? A. Cells can become totipotent. B. Cells can mutate and adapt. C. Cells can differentiate and specialize.

D

Which phrase best describes an organ system? A. group of specialized cells that forms organs B. group of cells that differentiates at the same rate C. group of tissues that performs a function D. group of organs that work together

B

Which sequence shows the progression from least complex structure to most complex structure? A. cell -> organ -> tissue -> organ system B. cell -> tissue -> organ -> organ system C. organ system -> tissue -> organ -> cell D. organ system -> organ -> tissue -> cell

C

Which type of stem cell can grow into any other cell type? A. somatic B. multipotent C. totipotent D. pluripotent