Quiz 1: Cellular Respiration and Energy Which of the following statements about facilitated diffusion is true?
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Gated proteins control the rate of diffusion.
Molecules move up the concentration gradient
ATP is required to move molecules through the protein channels.
Molecules move from an area of low to high concentration.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

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:

answer; ///animal spirits;

a population evolve