Benzil reacts with 1,2 diaminobenzene to give a compound with molecular formua C20H14N2. Suggest a structure for this compound and write a reaction mechanism to show how it is formed.

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?