Answer:
The nucleosome is extremely stable.
Explanation:
The nucleosome when formed is extremely stable the histones are positively charged and the DNA wrapped around them are negatively charged, they have to be stable so as to be able to control the processes of replication, repair, transcriptional activities etc
Some processes including epigenetic mechanisms exist to destabilize the nucleosome. This is to help transcriptional machines fain access to the DNA for mRNA production. The nucleosome is so stabilized that it ensures transcriptional activities takes place at the only the right time and can also return back to its norrmal state when not needed.
Some processor that destabilize nucleosome includes
Acetylation: acetylation of some lysine residue on histone bring about destabilization: unwinding of the history from the DNA.
Histone chaperones: this too aids in the destabilization of the nucleosomes.
Topoisomerases activity: this helps in the unwinding of the DNA to allow transcriptional machineries to have access. ETC.
Answer:
I'm pretty sure it is the invasive Lionfish.
Explanation:
They are "threatening" native fish and destroying the environment in the coastal waters. They are the causes of extinction, reducing biodiversity, and fighting for resources. Hope this helps you and have a good day!
Answer:
c
Explanation:
a goes with u in RNA is the only letter that is changing
Answer:
Explanation:
question 1
the resulting imbalance between incoming solar radiation also outgoing thermal radiation most likely causes the earth to heat up over the next 10 years.
question 2
much like a conveyor belt, transporting warm water and precipitation from the equator making the cold water from the poled back to tropics
question 3
greenhouse gasses trap more and more energy from the sun, oceans are absorbing the heat at a slower rate.
question 4
climate change due to human activity had a direct impact on marine species