39. Which macromolecule is represented below. a. lipid
b. protein
C. nucleic acid
d. carbohydrate

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.

the titanic would be the correct answer

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.