2. Stem cells are able to specialize into the unique cell types seen throughout the body, a process called
V. A fertilized egg cell is
considered a
v stem cell because it
can differentiate into any other cell type. Adult stem cells,
such as the cells found in bone marrow, are considered
stem cells because they can
differentiate into a limited set of different cell types.
Check Answer

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.