What substance in the mouth contains an enzyme that begins chemical digestion? mucus

saliva

fiber

pepsin

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

Which food could be transported in a galvanized metal container?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.