A.) Archetypes is the correct answer.
James Watson and Francis Crick established the structure of DNA.
The structure of DNA was established by two scientists: James Watson and Francis Crick.
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Porifera: sponges
Cnidaria: stingers
Mollusca: mollusks
Arthropoda: arthropods
Echinodermata: echinoderms
B. nucleic acids.
C. carbohydrates.
D. protein.
Answer: A. Lipids
Explanation:
I just took the test, and the answer is lipids!
Good luck!
Sanjay explained him such questions properly. His younger brother
satisfied with his answer and thanks him.
Answer:
then what no answer for this question.