This paper was decent. I got 1:639 for the ratio and 0.09% for the other one. I though it was staged A and C, as at B there wasn't actually any mitosis however at C (from tadpole to adult frog) there was as obviously there has to be cell division in order for the animal to grow. I put Amy for the dropping food and the grasp reflex for the last one. I got a curve of best fit and 42 for the one about carbon dioxide.
What did you guys put for the one about the enzyme, methanol and ethanol? Completely threw me as I've always thought that an active site can only fit one substrate only?