Cytosine, thiamine, uracil are prima de bases. ade dune and guanche are purine bases.
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Answer:
Xylem and Phloem tissues are present throughout the plant. They begin at the root and then move up to the stem, branches, and leaves. The xylem tissue transports water and minerals from the roots to the leaves whereas the phloem tissue transports food from the leaves to the other parts of the plant
Explanation:
HABITAT.........................................................................
