They add nitrogen to the soul through their nodules !
Answer:
<u>d. the cells in primary cell cultures do not divide.</u>
A key difference between primary cell cultures and secondary cell lines is that<u> the cells in primary cell cultures do not divide.</u>
<u>hope</u><u> </u><u>it</u><u> </u><u>helped</u><u> </u><u>you</u><u> </u>
Explanation:
<em>The main difference between primary and secondary cell culture is that the primary cell culture contains the cells directly obtained from host tissue, whereas the secondary cell culture contains sub-cultured cells from primary cell culture.</em>
The answer I think is, some diseases the person might have.
Answer: protein > neurons > cardiac muscle > bladder > digestive system > human being
Explanation:
protein molecule, neurons individual cells, muscle tissue, bladder organ, digestive system interconnected organs, human being whole body
