What are the functions of enzymes in a metabolic reaction? choose all that apply aligning the part of the substrate that need to connect it to the form of product
bringing substrates closer together so they are most likely to react
binding ions to form a substrate
lowering the energy it takes for a reaction to occur or speeding up a reaction

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.