<span>By allowing the ground to grow fallow, it absorbs, through rain and natural means the nitrogen and phosphorus necessary in order to fertilize plants. Then once the field is plowed, the elements mix together to form the foundation by which the seeds can be nurtured and grow more effectively.</span>
<span>I believe the answer is REM alpha sleep. Sleep is a complex biological process that accompany various physiological changes. Normal sleep is usually
classified into non-rapid movement (NRE) and rapid eye movement sleep (REM),
where the stages of NREM are followed by REM sleep. REM alpha sleep is a stage of REM that is associated with unique brain wave pattern such that during REM sleep a sleepers brain waves demonstrate characteristics similar to a walking sleep, a combination of alpha, beta and desynchronous waves.</span>
Answer:
Mutations can create entirely new alleles in a population which changes the allele frequencies of a gene pool.
The correct answer is p53 gene.
This is one of the most important genes in our bodies, which is evident by its nickname of the "guardian angel of the genome." It is called that way because it protects our cells from becoming cancerous. It also activates many other genes.