Answer is <span>c. penicillin </span>
The answer is B. Hydrogen Bonds
Answer:
A: over Hawaii
Explanation:
because Hawaii is an island therefore it will need lots of rain and water for the trees and fruits to grow.
Animals obtain nitrogen by eating plants which has absorbed nitrogen from the soil.
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>