D. The macronucleus does not disintegrate during conjugation.
The macronucleus contains the working copies of genes needed to support an enormous cell. It is formed by a division of the fused diploid nucleus after conjugation followed by multiple rounds of internal gene replication which does not occurs in the micronucleus.
Carbohydrates, fats, and proteins make a nutrient organic. water(H2O) and oxygen is considered organic. Hope it helps!! God bless you :)
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Nerve cells, blood cells, and reproductive cells
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I think it is C if I am wrong i am srry
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<u>B. Lithium, because it has two energy levels with one electron in the second level.</u>
