Do you mean electron? If so they are molecules that transport electrons during cellular respiration.
A system is a group of organs that work together and provide an organism with an advantage for survival. It is the most complex organization in your body and the final level of the progression from cells to tissues to organs and then systems.
Answer: When you mix sand and water there are no reactions. The sand sits at the bottom of the water because the sand is heavier than the water is.
Answer:
Your DNA could stretch from the earth to the sun and back ~600 times. ...
We're all 99.9 percent alike. ...
Genes make up only about 3 percent of your DNA. ...
A DNA test can reveal you're more Irish than your siblings. ...
The human genome contains 3 billion base pairs of DNA. ...
Your DNA could link you to places you'd never imagine.
Explanation:
i hope this helps! :)
