Large biological molecules such as dna and rna contain bonds. a) covalent b) ionic c) metallic d) polar

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids

This is the nitrogenous base only found in rna

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum