What method is used to separate the cut dna pieces based on length.

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

How are fossils most commonly formed