DNA is packaged in the nucleus of the cell in a structure called ________________ in which the DNA coils around proteins called histones many times over. When cell replication occurs, the DNA condenses even more into a ___________________. 
A) chromatin, chromosome  
B) chromosome, chromatin 
C) nucleosome, chromosome 
D) chromosome, nucleosome 
The answer is a, i did it on USATestprep