Answer:
Nothing
Explanation:
They have no common attributes
Meristems are cell divisions. Trees grow by the cell divisions
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Answer:
Semi-conservative
Explanation:
Meselson–Stahl experiment proved that DNA replication is a semiconservative process, feeding E. colo bacteria with different types of Nitrogen isotopes (N14 and N15).
Changing the type of radioactive compound in different times of bacteria grow, they could observe that both of the isotopes were present on the bacteria culture.
Basically, if the bacteria present both of them, the DNA was replicated semiconcervely.
Guess what? they show both! (See the image for more information)
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One of the most important protective factors for drug use is</span> believing that there are strong sanctions against substance abuse at school.
Answer:
Yes.
Explanation:
All matter has mass. Air is a gas and gas is matter so air <em>does </em>have mass.