What are the ends of a strand called ?

To solve this problem, the ends of the linear eukaryotic DNA strands, called telomeres (def), have short, repetitive, noncoding DNA base sequences. A unique enzyme called telomerase binds to the telomeric DNA at the 3' end.

Explanation:

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

and after water is usually warmed by the sun the water temperature raises and then evaporates .