Answer:
option 1
Explanation:
In assemblying the nucleosome, this reaction occurs in two main steps. the H3 and H4 are recruited first to the DNA in pairs forming the H3/H4 tetramer; meaning two of H3 and two of H4. This gives rise to the nucleosome precursor. Then after this, the dimers of both H2A/H2B are recruited to this precursor, to give rise to the octamer structure around which the DNA is wrapped.
Potassium and can be obtained by eating avocados, acorn squash, sweet potato, spinach etc..
Answer is B same as the weight of that
The last one because plants move oxygen out to the atmosphere while taking in C02