Petal colouration of pea plants haa a complete dominance relationship where purple petals are dominant over white petals. There are 276plants, 273 have purple petals. Find the frequency of the dominant and recessive alleles and the frequency of individuals with the dominant, heterozygous and recessive genotype

not sure if this is what you'r looking for eubacteria and archaebacteria

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.