DNA is a nucleic Acid that is responsible for both our genotype and our phenotype. Which of the following is the building block of DNA?

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

What's the waste product of electrons and pyruvate combining in fermentation?