What does the phosphate molecule of a nucleotide bond with?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Most of the carbon on earth is stored in the form of

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits