Ideas about the components of cells have been affected by new technologies. Which technology enabled researchers to understand the basis of the other three?
amino-acid sequencing
blood typing
DNA sequencing
paternity testing

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.

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

What will happen if deforestation continue to destroy the green plant on the planet