How are oils chemically different from fats?

What are trans fats and why have some areas banned them?

The primary use of ingested proteins in the body is to _____.     be broken down into amino acids that are used to build proteins and nucleic acids within the body be broken down to release energy and the unused components are recycled to build new proteins within the body interact with signaling molecules to trigger the building of muscle fibers be converted to starches or sugars, which are more readily accessible forms of energy

Distinguish both physically and chemically between a fat and an oil molecules