Answer:
your arteries that are connected to your lungs are also connected to your heart and then you need to be in the vena cava which are connected to your heart as well so you need the veins
The fifth week of pregnancy.
I think the correct answer from the choices listed above is option A. During gene expression, a cell reads the instructions in dna and builds a protein based on those instructions. Gene expression <span>is the process by which information from a </span>gene<span> is used in the synthesis of a functional </span>gene<span> product.</span>
