Problem:
Question 1: How can proteins recognize the structure of other molecules
Question 2: Which one of the following statements regarding the origin of metazoans has the most support? The choanoflagellates may share common ancestry with the Porifera. Metazoans are derived from many separate lineages of unicellular organisms. Ancient placazoans are probably ancestral to all other animals. Modern sponges have a genetic makeup that reflects their ancestral status.
Provide a brief explanation for your answer.