Which of the following statements is true about gene regulation in prokaryotes? a) promoters determine whether a gene is expressed b) expressed genes make more dna c) dna-binding proteins determine whether a gene is expressed d) rna polymerase regulates gene expression

The answer is c) DNA-binding proteins determine whether a gene is expressed

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.