He Diels-Alder reaction is a stereospecific reaction known as a synadditionreaction with respect to both the diene and the dienophile. Draw the possible stereoisomeric Diels-Alder adducts (before rearrangement) and clearly indicate which are enantiomers and which are diastereomers.

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.