Which chemical bonds, also known as end bonds, join amino acids together, end to end in long chains, to form a polypetide chain?

What type of reaction is zn + cucl2 → cu + zncl2?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers