Which type of macromolecule is made up of subunits that are called amino acids? carbohydrate lipid nucleic acid protein

Option). protein.

Explanation:

Proteins are macromolecules, made by polymerization of amino acids. Hence, amino acids are known as building blocks of the proteins. During protein synthesis, amino acids join together with the help of peptide bond to form polypeptide chains. These polypeptide chains arrange themselves and form proteins.

Examples of proteins are collagen, enzymes, silk, and hemoglobin.

Thus, the correct answer is option). protein.

step 1 ammonium can be absorbed by plants, but some is converted into nitrates which are better for plants to absorb. this is called nitrification. 2. step 2 the deer eats the plants and uses the nitrogen-containing proteins for cell growth. 3. step 3 bacteria in the soil conduct nitrogen fixation to convert nitrogen gas from the atmosphere into ammonium. 4. step 4 some of the nitrates are absorbed back into plants, but denitrification breaks down the nitrates into nitrogen gas released back into the atmosphere. 5. step 5 nitrogen is found in the urine, which gets broken down into ammonium through the process of ammonification. 6. step 6 plants absorb the ammonium and begin assimilation, the process to add the nitrogen to protein.