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gokusupersaiyan12345
01.02.2021 •
Biology
39. Which macromolecule is represented below.
a.lipid
b. protein
C. nucleic acid
d. carbohydrate
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Ответ:
C is the correct answer.
Explanation:
i attached a photo of the structure of two different nucleic acids. the structure shown on your paper matches up with the DNA model, therefore c. nucleic acid is the correct answer.
Ответ:
Which of the following statements is true?
-Arteries are thinner and harder than veins.<=WRONG
-The left ventricle controls the heartbeat.<=YOUR ANSWER
-Veins carry blood away from the heart.<=WRONG
-Capillaries connect ateries and veins.<=WRONG