<span>B. The sun shines more directly at the equator than at the poles</span>
Answer:
RNA (tRNA) molecules carry amino acids to the ribosomes during protein .
Answer:
due to formation of purines in outer body
Hemoglobin is contained in red blood cells,which efficiently carries oxygen from the lungs to the tissues of the body. It also helps in the transportation of carbon dioxide and hydrogen ions back to the lungs.