What are the different levels of protein structure?

A: 1.Primary Structure - sequence of AA2.Secondary Structure - simple AA folding structures 3.Tertiary Structure -connecting secondary structures4.Quaternary Structure - multi- subunit protein

B: mutations- changes in the DNA sequence.GENETIC RE-SHUFFLING - during the process of meiosis (making of sex cells) whole chromosomal regions of DNA can exchange genetic material.

C: shape of protein being disruptedOccurs when a protein unfolds

D: UV Light (Little pressure)FolateVitamin D