Answer:
it can be found in higher plants and embryonic stem cells in animals
Pollution, over population, anything that could be potentially harming the earth in the long term.
Answer:
60-100 bpm (beats per minute)
Explanation:
The normal resting heart rate for adults ranges from 60-100 beats per minute.
Answer:
b. conversion of the beads on a string to the 30 nM fiber
Explanation:
Histone acetylation process adds an acetyl group to lysine amino acid in histone protein. Lysine is usually positively charged and thus is able to make strong bond with negatively charged DNA molecule. When acetyl group is added to lysine, its positive charge is removed. The bond between histone and DNA weakens and the whole structure becomes more open, loose and transcriptionally active.
Beads on a string is formed by wrapping of DNA around histone proteins. This structure further condenses into 30nm fiber leading to more compact and tightly packed chromatin structure. Since histone acetylation loosens up the chromatin, this process does not take place here.
Burning fossil fuel which releases CO2 into atmosphere and enhance global warming,Deforestation,limestone mining.
