Nucleotides, which are the building blocks of nucleic acids, consist of a phosphate group, a nitrogenous base, and a lipid 5-carbon sugar starch nextreset

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from