PL HL IN ONE PARAGRAPH RESPOND TO THE PROMPT.

Mass and energy are cycled around us all the time. What do you think your role is in the cycling of energy? Where do you get energy from and where does the energy go?

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive