Give answer each question

timer Asked: Nov 18th, 2018
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You have to give clearly answer. You have follow my professor instructions. Do not plagarasim.

Name:______________________________ Homework 4 You are to work independently. Chapters 14, 15 and 37 1. What are the five fundamental differences between DNA and RNA? (5 pts.) 2. Using simple words: (4 pts.) a. Explain “transcription” and where does it take place in the cell. b. Explain “translation” and name the three stages involved in this process. 3. Based on the strawberry experiment: what was the main purpose of using soap, salt, and alcohol to extract the DNA? (This is not an essay question!! ONE line explanation for EACH is enough; 3 pts.) 4. From chapter 15: Define the following terms; as this will HELP you on your comprehensive final. (Use the internet for more insight, 5 pts.) a. Microevolution Vs. Macroevolution – b. Artificial selection Vs. Natural selection – c. Adaptive radiation – d. Homologous structure Vs. Analogous – e. Embryology - 5. Organisms that are well adapted to their environment survive and reproduce. Those that are not well adapted do not survive and reproduce. An adaptation is any characteristic that increases fitness, which is defined as the ability to survive and reproduce. Salamanders are active at night when raccoons are, as a result, the salamanders risk being a slimy meal. To avoid being eaten salamanders will hide in shallow areas of the pond and can swim away from raccoons underwater to safety. Below is a table that describes four female salamanders that live near a pond. Characteristics of each female salamander Swimming speed # of eggs produced Age at death Coloration Grey with orange spots 6 cm/sec 0 2 years Orange Red with black spots 4 cm/sec 400 4 years 5 cm/sec 100 3 years Grey with yellow spots 2 cm/sec 50 3 years According to the definition given above for fitness, which salamander would biologists consider the fittest? Explain why the salamander you chose would be the fittest by providing two reasons. (3 pts) BONUS: As an instructor, I am constantly trying to improve the course and the way I communicate the course material to my students. So please tell me, what will I need to improve (0.5 pt) and why? (0.5 pt)

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School: UT Austin

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