A sample of DNA from an unknown organism is analyzed and found to contain histone proteins, more than 2 billion base pairs, and large segments of noncoding DNA. From this information, one can conclude that the organism is:

The correct answer is an eukaryote.

Explanation:

The DNA present in eukaryotes comprises chromosomes bundles, these bundles contain molecules of linear DNA, which is wrapped around the protein, that is, alkaline known as histones. These histones help the DNA to turn into a more composite composition.  

The DNA present in a eukaryote may comprise more than two billion base pairs, and because of the linear characteristic, the DNA within a eukaryote comprises sequences of non-coding DNA known as telomeres found on each terminal of the chromosomes.  

D. 0.5 ft

Explanation:

Using the scale :

1 : 4000

This means that an altitude of 4000 feets is represented by 1 unit in the model.

Hence,

1 feet in model = 4000 feet actual altitude

Given an actual altitude of 2000 feets above ground level ;

Feets in the model will be x

1 feet = 4000 feet

x = 2000 feet

Cross multiply :

4000x = 2000

Divide both side by 4000

4000x / 4000 = 2000/4000

x = 0.5

Hence, 2000 feets above ground level corresponds to 0.5 feets in model