Lemon peel is dehydrated lemon zest; the outer skin without the white membrane. Using lemon peel out of a bottle will save you time in cooking when the recipe calls for lemon zest.
No. Zest Lemon Juice.
No.
1) Not the same flavor. The zest is full of volatile oils.
2) One (juice) is a liquid while the other (zest) is a solid.
3) Even if you were satisfied with just a...