When barium hydroxide, Ba(OH)2, mixes with water, the solution turns cold.

What is an indicator of a chemical change in the scenario?

formation of a gas

formation of a precipitate

change in energy

change in color

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.