"where does the bond form that binds one strand of dna to its other strand"

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.