The meaning of the name Tahir is Virtuous. The origin of the name Tahir is Arabic. This is the culture in which the name originated, or in the case of a word, the language. People who like the name Tahir also like: Tariq, Amir, Tamir, Henry, Owen, Taariq, Boden. Aisha, Amira, Alima, Nadira, Nasya, Genevieve, Kailani.
Extraction and purification of DNA are the first steps in the analysis and manipulation of DNA that allow scientists to detect genetic disorders, produce DNA fingerprints of individuals, and even create genetically engineered organisms that can produce beneficial products such as insulin, antibiotics, and hormones.
Best Answer: I'll try to be as simple as possible.... Step 1 - Helicase unwinds the DNA so that the two strands are separated. Step 2 - Primase adds an RNA primer to each unwound DNA strand. (this is necessary in order for replication) Note that the two strands are different.One strand only needs one primer and then it can be replicated from start to finish.tep 2 - Primase adds an RNA primer to each unwound DNA strand. (this is necessary in order for replication) Note that the two strands are different. One strand only needs one primer and then it can be replicated from start to finish.