Which cellular organelle is essential to making proteins for an organism? A. Mitochondria B. Endoplasmic Reticulum C. Vacuole D. Lysosomes
Which sentence is written in first person active voice? A. The cup was put down by me. B. Jamie put down the cup. C. The cup was put down. D. I put the cup down.
What is the line perpendicular to line y= (1/2)x + 2 and goes through the point (2,4)?