Metabolic reactions are necessary for the body to function and maintain homeostasis. which of the following statements describes an enzyme’s role in these reactions? a. enzymes are formed into lipids. b. enzymes are catalysts that lower the activation energy allowing the reaction to occur. c. enzymes are used up as a part of the reaction and cannot be used again. d. enzymes can be any shape to bind to the substrate.

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

What is the next step in the process after a substrate enters the active site of an enzyme

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.