Explain how natural selection has created domesticated dogs

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?