D) All of the above
Explanation:
Genetic engineering "allow scientists to create their own mutations in the organisms" by "manipulating the genetic code in attempt to improve a species" which is virtually the same as"altering genetic material".
Answer:
Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. ... Denitrifying bacteria converts nitrates back to nitrogen gas.
Explanation:
The DNA replication is a semi conservative in nature ! as the replicate has on parent and one daughter DNA ! so having two identical DNA , you have to take the DNA and change it into RNA having one strand and other RNA having opposite coding !
by this way, you can create a identical copy of DNA !
if you need any more info, comment !
