Question

Erwin Chargaff examined DNA samples from different organisms to study base pairing. Some data from DNA samples are shown.

Organism
Adenine
Guanine
Cytosine
Thymine
Sea urchin
32.8%
17.7%
17.3%
32.1%
Salmon
29.7%
20.8%
20.4%
29.1%
Wheat
28.1%
21.8%
22.7%
27.4%
Which conclusion is supported by the data in the table?
A Each organism contains more cytosine than any other base.
® The three organisms have the same sequence of nucleotides.
© All three organisms contain the same types of nitrogen bases.
• The presence of each base is dependent on the size of the organism.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The conclusion supported by the data in the table is that each organism has a different sequence of nucleotides.