1/2 as hazel is not a carrier, yet, hank might be
The reason why nuclear fusion is currently not used as an energy source on Earth is mainly because we're still building the required technology which would enable us to use and have nuclear fusion and harness its power.
I think it's important to concentrate yourself to complete what you are doing, but if you have also new ideas try to develop them into something useful
Options are not provided in the question. Thus, all possible answers are included in the answer.
Transcription bubble is formed during the process of transcription of DNA where a small portion which is to be transcribed is unwound. After this, RNA polymerase binds to the single stranded DNA and RNA strand is synthesized.
It is a molecular structure which is formed only during transcription.
You would be a specialist at the ecosystem level of biology.
The ecosystem has to do with a community consisting of organisms who interact with each other and with their surroundings. So, if this scientists wants to see which species of frogs would win, he would have to observe them at the level of the ecosystem to see their interactions within their community.
