Protein List 4 differences

The different levels of protein structure are known as primary, secondary, tertiary, and quaternary structure

Explanation:

actin myosin hemoglobin titin

b because they naturally adapt to their environment plz mark brainliest

explanation:

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.