Answer:
Homologous structures have the same ancestry, but may no longer serve the same function. For example, the bones that make up human fingers were inherited from an ancestor that's shared by all mammals.
Cholorplasts- site of lipid synthesis
Answer: Positive or negative effects.
Explanation: Chromosomal changes is called mutation. Mutation is change or alterations in genetic constituents or chromosomes of an organisms. Not all chromosomal changes are negative or causes genetic disorder bit some have positive effects too. The negative effect causes some genetic disorders but the positive don't have negative impact on health but only the chromosomal sequence might be alter , it functions is still intact.
I'm not sure how you compute the density of agcl using the length of a unit cell edge measure of 555 pm.
But as per online research, the density of AgCl is 5.56 g/cm³
AgCl is the chemical formula of silver chloride. It<span> is easily synthesized by combining aqueous solutions of silver nitrate and sodium chloride.
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
Option A. is correct.
Hope it helped!