How does Shelley first introduce the creature into the novel, Frankenstein?
by having the stranger describe his creation
by having Walton describe his sighting of a giant creature
by having Walton reveal what the stranger tells him about his creation
by having the creature tell his story

Which organ controls breathing? lungs alveoli heart diaphragm

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.

Which of th following is needed for cellular respiration to occur