Biology 101 Unit 1 Practice Exam questions and answers with complete solutions.

Biology 101 Unit 1 Practice Exam questions and answers with complete solutions. What is NOT a characteristic shared by all living things? - correct answers.Ability to generate energy through photosynthesis What is the best illustrate the hierarchical organization of living systems? - correct oplast, plant cell, tree In biology, a theory is best described as - correct answers.a scientifically accepted explanation based accumulated evidence In the process of scientific inquiry, the next step after generating a hypothesis is usually to - correct one or more predictions. Charles Darwin's key contribution to our understanding of evolution was introducing the concept that - correct al selection was the mechanism of evolutionary change. What about natural selection is true? - correct answers.There must be heritable variation in a trait for it to evolve by natural selection What observation provides evidence that whales evolved from terrestrial mammals? - correct answers.The forelimbs of whales are made up of the same arrangement of bones as other animals. What is an example of a nucleic acid? - correct answers.Uracil What is an example of a carbohydrate? - correct answers.Cellulose True or False: All proteins have quarternary structure? - correct answers.False What characteristic would allow you to determine if a fatty acid was in cis or trans configuration? - correct answers.The arrangement of the hydrogen atoms