Some cells have to give up reproduction
Answer:The second one im sure
Explanation:
<span>A. Redwood trees
K-selected species are living organisms that are usually larger than those in the r-selected species</span>
Answer:
B There will be blue colonies only
Explanation:
This screen in called the blue white screening. This is a rapid test that allows scientist to check for their insert of choice in the colonies at a glance. The concept is that where the insert is located the <em>lac Z </em>gene in the vector is interrupted and therefor Xgal, a reporter can be produced. Where there are blue colonies being formed the plasmid has self-ligated and the <em>lac Z</em> gene is not interrupted and the X-gal can be formed rendering a blue color.
B - energy flow from one tropic level to the next
