Explain this , the nucleus was postulated as small and dense to account for the scattering of alpha particles from thin gold foil as observed in a series of experiments performed by undergraduate ernest marsden under the direction of rutherford and german physicist hans geiger in 1909.

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

The distribution of related animals and plants across the world

Anton created a chart listing different types of materials. which best complete the chart?