Could someone help pleaseee

Protein

Explanation:

Proteins

Figure 11.4 Peptides and Proteins are macromolecules built from long chains of amino acids joined together through amide linkages. The identity and function of a peptide or a protein is determined by the primary sequence of amino acids within its structure.

Explanation:

hope this helps have a good night/day :)

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white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.