Inside a non-dividing nucleus, you will see a mass of tangled DNA and protein called

Chromatin

Explanation:

Chromatin means "chroma" in Greek. It can be found in eukaryotic cells with non-dividing nucleus. They make up the chromosomes of cells during cell division. The fibers of chromatin consists of DNA (deoxyribonucleic acid) and proteins (histones and non-histones).

It is said that chromatins got their name owing to their bright colors when mixed with dye. This was found by scientists who inspected it under a microscope.

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

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lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation: