Types of chemical bonds

A: Covalent-electrons between atoms are sharedIonic-an electrostatic attraction between two oppositely charged atomsHydrogen-a relatively weak bond that holds two or more polar covalent compounds together

B: shape of protein being disruptedOccurs when a protein unfolds

C: -Folate is an essential nutrient for DNA synthesis. -Since cells reproduce at a fast pace during fetal development(and hence, there is a lot of DNA replication), the highestlevels of folate are needed during pregnancy.

D: UV Light (Little pressure)FolateVitamin D