In adults, stem cells remain undifferentiated until they are needed to repair or replace other cells. stem cells can produce cells that are
i. identical to themselves.
ii. more specialized than themselves.
iii. less specialized than themselves.

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Do you think the gene eef1 alpha1 supports cell theory? explain your response.