Did you forgot to add a picture?
The answer is IgA.
The immunoglobulin can occur as a monomer or dimer. The dimeric form is called secretory-IgA because it is also secreted by glands that
produce saliva, tears, sweat, and in the lumen
of the gastrointestinal tract. It is the most secreted Immunoglobulin.
The decreased carbon dioxide concentration inside the leaves and the increased leaf temperatures favour the wasteful process of photorespiration.
The answer is B: proteins and lipids.
Also carbohydrates
Lipase................................
