The steps of the dna ladder are made of

nucleotides
deoxyribose
paired nitrogen bases
phosphoric acid

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

What abo controlling alleles could kim give her child

Individuals do not compete directly for resources, but are prey for the same predator