The chromosomes contain the genetic material which are located in the nucleus
The noble gases already have a full outer shell. The noble gases break the trend by being less reactive than the elements to their left.
Answer:
Friedrich Miescher discovered nucleic acids in blood cells.
Nuclein was discovered by Friedrich Miescher in 1869
Explanation
In the somewhat early 1880s Albert Kossel further purified the substance and discovered its highly acidic properties. Then he later discovered the nucleobases. In 1889 Richard Altman creates the term nucleic acid. Friedrich Miescher was the first scientist to ever isolate nucleic acid.
Maps are examples of physical models
Explanation:
It happens when the moon is in the earth's shadow
And sun moon and earth is completely aligned
