Repeated pattern containing a sugar called deoxyribose and a phosphate group
It contains a majority of the cells genetic material
Base substitutions, deletions, and insertions are the three different forms of DNA mutations.
A mutation is a long-lasting alteration to the DNA's nucleotide sequence that can occur during replication and/or recombination. Damaged DNA can change by base pair replacement, deletion, or insertion. The majority of the time, mutations are benign, unless they result in tumor growth or cell death. Cells have developed systems for repairing damaged DNA due to the deadly potential of DNA mutations.
Different Mutations
Base substitutions, deletions, and insertions are the three different forms of DNA mutations.
1. Base Replacements
Point mutations are single nucleotide replacements; you may recall the point mutation Glu ——-> Val is the culprit of sickle cell anemia. There are two types of point mutations, the most prevalent of which are.
Transition and Transversion.
Learn more about Base substitutions using this link:
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Continuous feeders are aquatic animals that constantly feed by having water filled with food particles (for example, small plankton or fish) entering through the mouth. In addition, they do not need a storage area, such as a stomach, for food. Now Discontinuous feeders must hunt for food on a regular basis; they need a storage area, such as a stomach, to house food until it is digested.
