A student makes the analogy that the cardiovascular system is like a highway. Why is this a good analogy? a. Blood is made of many different kinds of cells.
b. The heart pumps blood through the veins.
c. The heart is centralized in the body.
d. Blood transports materials to and from different parts of the body.

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.