Aresearcher studies normal human fibroblast cells. they can be maintained in culture but die off after about 30 cell generations. unexpectedly, a colony of cells continues to survive and divide past 30 generations. which scenario is most likely true for these cells?

Does masterbation affect height growth or loss of growth hormone?

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3

How water is moving through the ecosystem ?