Biology 1001 LSU Exam 1 Adam H Questions and Answers 100% Pass

Biology 1001 LSU Exam 1 Adam H Questions and Answers 100% Pass **CHAPTER 1: In an experiment testing the effect of vitamin D on growth, two groups of rats were raised under identical conditions and fed the same diet. One group received daily injections of vitamin D, while the other received injections of saline without vitamin D. What was the role of the group receiving saline in this experiment?** It served as the control group. **CHAPTER 1: Is it true that a good experiment should include as many variables as possible simultaneously?** No, false. **CHAPTER 1: True or False: Photosynthetic bacteria are considered autotrophs.** True. **CHAPTER 1: What is the primary basis of variation among individuals on which natural selection acts?** Genetic differences. **CHAPTER 1: Why do heterotrophs require "food" for survival?** Heterotrophs need food because it provides essential organic chemicals necessary for their survival. **CHAPTER 1: Why can't science provide answers to certain moral questions?** Because moral values vary among individuals. **CHAPTER 1: Suppose 20 pregnant mice are injected with 1 milliliter of an experimental drug diluted in saline to assess potential side effects. What would serve as an appropriate control group for this experiment?** 20 pregnant mice injected with 1 milliliter of saline. **CHAPTER 1: What was the primary aim of Francesco Redi's experiments?** To disprove the concept of spontaneous generation. **CHAPTER 1: Which of the following is NOT a fundamental scientific principle underlying scientific inquiry?** Natural selection. **CHAPTER 1: Which of the following statements best exemplifies deductive reasoning?** If a new species of bacteria is discovered, it will be composed of organic molecules. **CHAPTER 2: True or False: Isotopes are atoms of the same element that differ in the number of protons.** False. **CHAPTER 2: In a single covalent chemical