1. Which of the following mechanisms would be necessary in order for Lamarck’s theory of evolution to be valid?a) The nervous system causes specific mutations of DNA.b) Mutations occur at random locations in DNA.c) All parts of the body contribute to the genetic information in the gamete.d) Proteins direct their […]

Please address the following questions about genomes: 1. Do more complex organisms always have more genes than less complex organisms? Give an example to support your answer. 2. What type of DNA sequences make up the majority of the human genome? 3. How are repeated sequences useful for DNA forensic […]

Kangaroo rats living in the western American deserts have very efficient kidneys; they excrete an exceedingly small volume of highly-concentrated urine in order not to lose much water from their bodies. If you compare a desert kangaroo rat kidney and a human kidney you would see that the rat kidney […]

Q1 Is it possible (economically, socially, environmentally) to have zero emissions of pollutants? What level of risk are you willing to live with? What level of risk are you willing to allow for environmental health? Q2 What would be the consequence to Earth’s ecosystems if the ozone layer were to […]