BIOL 220 EXAM 1 2023/2024 WITH 100% CORRECT ANSWERS

Which of the following statements accurately describes homeostasis? - correct answer The body has the ability to detect change, activate mechanisms that oppose it, and maintain relatively stable internal conditions. Which of the following describes or represents a property exclusive to all "living" things? - correct answer They take in molecules from the environment and chemically change them into molecules that form their own structures. Which of the following is not an example of a physiological variation? - correct answer a spleen on the right side of the body Enzymes are __________. - correct answer proteins Which of the following binds to the active site of an enzyme? - correct answer substrate Which of the following ovarian hormones is involved in a positive feedback loop with the hypothalamus and the anterior pituitary? - correct answer estrogen Which of the following hormones is released by the corpus luteum after ovulation and causes a negative feedback loop with the hypothalamus and the anterior pituitary? - correct answer Progestorone Which of the following correctly represents the mechanism of enzyme function? - correct answer E + S -> E-S -> E-P -> E + P