Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. 
Definitions:
Stem Cells
Undifferentiated biological cells that can differentiate into specialized cells and can divide to produce more stem cells.
Early Embryos
The initial stages of development in an organism, following fertilization and before significant differentiation has occurred.
Central Nervous System
The complex of nerve tissues that controls the activities of the body. In vertebrates, it comprises the brain and spinal cord.
Neurons
The basic working units of the brain, specialized cells responsible for receiving, transmitting, and processing neural information.
Q4: Which of the following compounds has primary,secondary,tertiary,and
Q19: Which of the following classes of organic
Q22: When developing risk mitigation plans,one should:<br>A)Be sure
Q27: Which of the K<sub>eq</sub> corresponds to the
Q31: What is the IUPAC of the following
Q35: What is the best choice of reagent
Q39: Rank the following radicals in order of
Q40: Using the bond dissociation energies given,calculate DH°
Q41: Planning for which of the following products
Q43: What intermolecular force is generally considered the