As William is laying his infant down in the crib at bedtime, he gently removes his hand from the back of the baby's head and neck, and the baby thrusts its arms outward appearing to grasp onto something. This is known as the reflex.

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants