<span>When blood is flowing out of the left ventricle, the bicuspid valve is suppressed and the aortic semilunar is causing blood to flow in.</span>
The "GM" here refers to "genetically modified" plants - they are modified by food engineers to better suit our wishes.
One benefit of those plants is that those plants would be better for humans: for example they would have sweeter flesh or less seeds (this is something that happened to watermelon through the selection of best watermelons throughout the centuries).
The answer is C I believe
In DNA methylation, the most frequently methylated nitrogenous base is the cytosine. Its methylation is widespread in prokaryotes and eukaryotes. Its rate of DNA methylation differs greatly between different species like Arabidopsis thaliana which is 8%, Physarum, 4%, Mus musculus, 2.3%, and etc.
I think the correct answer is option B