Answer:
c lower oxygen levels
Explanation:
the higher up the person is the closer to the atmosphere so there is less oxygen
I am pretty sure it is CD4 cell
Because through natural selection, only the fittest survive. when the fittest come together and reproduce then the species continues and evolves with only the fittest and strongest genes.
Answer:
In this case, the biology graduate have to select species-specific genes and then identify if they were expressed in RNA-seq data
Explanation:
By RNA-seq it is possible to identify mRNAs specifically expressed between species since homologous species-specific genes may show single nucleotide polymorphisms (SNPs) among alleles with a biased gene expression
Phosphate, Nitrogen, & Nucleotides