Answer:
1. Damaged bases are recognized.
2. Part of a single strand is excised.
3. DNA polymerase I adds correct bases by 5′ to 3′ replication.
4. DNA ligase seals the new strand to existing DNA.
Explanation:
What remains left is called a <span>Fossil</span>
<span>Intrinsic factor is a glycoprotein principally secreted by the parietal cells of the stomach. This secretion is needed to produce mature erythrocytes. Its secretion is governed by the same biochemical processes that regulate acid secretion and its action is to assist in the absorption of vitamin B12.</span>
