All cells contain the same genetic information. Why can't cells other than stem cells differentiate into various tissues? A)Stem cells are the only cells that can be implanted.
B)As cells develop their genetic sequence changes.
C)As cells develop some genes are turned off permanently.
D)Only stem cells have the genes for differentiation.
E)Stem cells are the only cells that do not have an X or Y chromosome and can therefore go into either a male or female.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

How does friction with the atmosphere affect the speed of an artificial satellite

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land