Answer:
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ddNTPs have a hydrogen at 3' position which terminates synthesis of DNA.
ddNTPs is the abbreviated form for dideoxynucleotides triphosphates. They are known as chain elongating inhibitors. The Sanger method is a sequencing technique that is used to increase the number of DNA copies. The DNA synthesis requires magnesium ions, a single-stranded DNA template, oligonucleotide primer, and nucleotide precursors like dATP, dGTP, dTTP, and dCTP. Also, DNA polymerase is required which is an essential component for DNA synthesis.
The Sanger sequencing method is a significant process evident by its use in Human Genome Project which helped scientists in sequencing the human genome. The small sequenced fragments are joined together to form large regions subsequently forming chromosomes.
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Mars and Moon are the locations from which meteorites would come.
Option (c);
<u>EXPLANATION: </u>
- The meteorites found on Earth look like martian crystal rocks.
- These might be first ejected into space during a collision of an asteroidal object with Moon or Mars and then it got into the Earth orbit because of the force produced during the collision.
- There are around seventy meteorites recognised to have come from the planet Mars till up to the present date.
- There are three types of meteorites such as Martian meteorites and a sample of two lunar meteorites.
- To identify the origin of the meteorite, the scientist tries to identify the type of rock followed by analysing the chemical composition and then try to identify its age.
by the earth squeezing the tectonic plates to form a mountain
Nutrients are very important to flowers without them they couldn't grow