The most true answer from these choices is:
Methyl groups most often added to guanine-cytosine base pairs because they are held by three hydrogen bonds, and this decreases the probability of gene expression.
Answer:
The population history of the island remains highly controversial. In addition to internal conflict, the population crash has been attributed to “ecocide,” in which the Island's resources were exhausted by its inhabitants, reducing its ability to support human life.
Explanation:
<span>bacteria - living
virus</span> - non living<span>
moss</span> - living<span>
you</span> - living <span>
a lemon seed</span> - living<span>
The air</span> - non living<span>
bread</span> - non living<span>
lettuce</span> - living<span>
rocks</span> - non living