What has a more complicated structure: bacteria or protists?

Describe pasteur’s results and how they disprove spontaneous generation.

Which structure in the cardiovascular system connect arteries to veins?

All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.