Always melt chocolate slowly, at a low temperature. The melting point of chocolate is between 86 degrees F. (30 degrees C.) and 90 degrees F.
Explanation:
After repeated stimulation by antigen, B cells can make antibodies that bind their antigen with much higher affinity a process called affinity maturation. ... Thus, antigen stimulation greatly increases the antibody arsenal. Antibodies are proteins, and proteins are encoded by genes.
Answer: pesticides and fertilizer
Explanation: He lives in an area of farm land so, big crops are grown and to keep the bugs off the plants, farmers use pesticides. Then what happens is when it rains, the excess runs off into the river and pollutes it.
I don't think any compounds are made of protiens but they do contain them. Enzymes are protiens that catalize reactions, the liver contain many protiens, amylase is another that is in saliva.
