Much is known about the "fifth base, " 5-methylcytosine, which arises when a chemical tag or methyl group is tacked onto a cytosine.

Finally, some reflective suggestions towards the construction and operation of Productive Practical Training Base have been discussed in the fifth chapter.

The fifth chapter studied the key shaft, linking brace and pole base of experiment platform, using the finite element analyzing software, providing the intension checking and structure optimizing.