Answer:
There are three types of DNA Mutations: base substitutions, deletions and insertions.
Base Substitutions. Single base substitutions are called point mutations, recall the point mutation Glu -----> Val which causes sickle-cell disease.
Deletions. ...
Insertions.
The answer to the following question:
<span>Mitosis result results in four genetically different haploid cells? A. True
B. False
is:
false
</span>
Answer:
It can go to waste because people think since it's renewable and they don't have to worry about running out of that certain rescourse that they can use it for purposes it was not intended for.
Explanation:
The correct answer is: B. the leading strand is synthesized in the same direction as the movement of the replication fork, and the lagging strand is synthesized in the opposite direction.
The replication of DNA molecule or DNA synthesis is done by an enzyme- DNA polymerase that can work only in the 5' to 3' direction.
After helicase unzips the double-stranded DNA for replication, a replication fork is formed. The leading strand is synthesized in the same direction as the movement of the replication fork so it can occur continuously: the primase generates short strands of RNA-primers that bind to the single-stranded DNA to initiate DNA synthesis. On the other hand, the lagging strand is synthesized in the opposite direction comparing to the movement of replication fork and its replication is discontinuous, with short Okazaki fragments being formed and later linked together.
