How is a specific enzyme able to catalyze a specific reaction?

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

What is the inability of an individual or a society to achieve a minimum standard of living known as ?