What is the main Difference between the “head” and the “tails” of a Phospholipid

What is the main difference between the “head” and the “tails” of a phospholipid, both structurally and functionally? 32. Proteins are very diverse in both structure and function. – Sketch a generalized (“generic”) amino acid. What bond links two amino acids together?

Sketch a generalized dipeptide. f) How do other types of substances (that cannot pass directly through) cross the plasma membrane?