An energy pyramid is shown below. which level of the pyramid will be able to support the greatest number of organisms?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino