It is required for DNA replication<span> because the enzymes that catalyze this process, </span>DNA <span>polymerases, </span>can<span> only add new nucleotides to an existing strand of </span>DNA<span>.</span>
Mitochondria are the powerhouses of the cell because they break the chemical bonds of glucose to release energy that our cells use to do work and perform chemical reactions.
It was pollution from the industrial revolution that caused tree trunks to turn from light to dark in color.
Longing is stronger then cutin and suberin
Answer:
a. xylem
Explanation:
the vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem.