Answer:
Stem cells cut and repair their own DNA to promote formation of new tissues.
Explanation:
Stem cells cut itself and then repair their own DNA as a mechanism of activating genes that promote the development of new tissues. Stem cells are special type of cells that the ability to develop into many different types of cell such as muscle cells, brain cells etc. These cells are also capable to repair damaged tissues in the body.
They have a function "Mitosis"
Answer:
No organisms
Explanation:
This is because the kind of symbiotic relationship between plants root and microbes is mutualism. In this relationship both organism s benefit and non is harmed. The microbes make nutrients available for the root, it increase root permeability and also root metabolism while the roots provide home for the microbes and Al's derives food.
The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
