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Huntington’s disease is a rare autosomal dominant trait (lethal in the homozygous dominant condition). The mutation is an expansion of a nucleotide repeat in the DNA that encodes the huntingtin protein. Normal individuals have between 6-35 copies of a CAG repeat within the gene. Affected individuals can have between 36-121 […]

1. Explain how the cell wall protects bacteria against adecrease, but not an increase in the concentration of an externalsalt.2. Give two reasons why the outer membrane of gram-negativebacteria is significant medically.3. Desribe different ways by which some prokaryotic cells moveand then discuss different ways by which some eukaryotic cellsmove.4. […]

For this assignment, you will first watch one of the following videos. You will then answer the following questions analyzing the leader in the clip that you selected. (You may discuss more than one individual in the video for your responses if you would like). Your assignment should be at […]

Q. Your friend has just returned from a deep sea mission and claims to have found a new single-celled life form. He believes this new life form may not have descended from the common ancestor that all types of life on Earth share. You are convinced that he has to […]