Answer:
endosymbiosis.
Explanation:
By the beginning of the 20th century, researchers thought that plastids and mitochondria could come from bacteria. These would have been ingested by primitive cells and live within them in symbiosis.
The three common elements seen in a majority of carbohydrates or sugars are Carbon, Hydrogen, and Oxygen.
Catalysts lower the Activation energy for reactions. The lower the activation energy for a reaction,the faster the rate. Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrate ms bind.
<span>Actually the correct method to handle the used needle is ie, It should be disposed in the right place after wrapping up it with a piece of paper or cover, which will surely avoid any type future unwanted problems to the new patients or any body and also it stops us from the spreading of unwanted diseases.</span>
Answer:
i think its B
Explanation:
good luck and may the Lord bless you