Describe how the structure of a protein (such as hemoglobin) is related to DNA. In other words, what does the structure of a protein tell us about the DNA structure of a gene?
1) Describe how the structure of a protein (such as hemoglobin) is related to DNA. In other words, what does the structure of a protein tell us about the DNA structure of a gene?
2) Geology and the Geological Time Chart. Using the Geological Time, answer the following questions.
__________________ Which evolved first, amphibians or trees? __________________ There was a major extinction that occurred between the Permian and Triassic periods. Over 90% of all marine life and around 70% of vertebrates went extinct! How long ago did this extinction take place? __________________ There was another major extinction between the Cretaceous and Tertiary periods. This is when the dinosaurs and most other reptiles went extinct. How long ago did this happen?
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