Many scientists believe that stem cells might be useful for treating certain human diseases in the future. stem cells are cells that
a.
lack the ability to undergo cell division through mitosis.

b.
have the potential to differentiate into various specialized cell types.

c.
are modified viruses that can be used to transfer genetic information.

d.
are very small and can only be found in plants.

What maintain homeostasis when a persons internal body temperature is 97.5°f

Explain what is meant by a river’s load, and describe how the load is carried.

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)