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Many globular proteins contain a segment of amino acids that is extended (stretched out) and after making a U-turn binds with itself. This is one kind of Beta pleated sheet known as antiparallel. Instead of H bonds assisting in forming a spiral (as in an alpha helix), H bonds exist between adjacent amino acids so as to cause a ladder-like arrangement stabilizing that part of the protein. a.) In an antiparallell Beta pleated sheet containing 100 amino acids, 50 in each strand, how many H bonds would form? Explain your answer. b.) In an alpha helix of 50 amino acids, how many H bonds would form? Explain your answer.
carbon fixation involves addition of carbon dioxide to? How does niche diversity affect species diversity in acommunity? How does the environment alter gene expression in green plants? (an example)
Does the mechanical efficiency of a lightly clothed subjeect improve or decline with exercise? WHY? Does the mechanical efficiency of a heavily clothed subject improve or decline with increase in exercise? WHY?
Which precautions would you follow to preserve Bacillus subtilis and what are the physical and chemical hazards of handling Bacillus subtilis?
Should the patient receive Rh-positive or Rh-negative cell units for transfusion?
case study you are a dietician. you are a friend of mitchs family and have been asked to help develop a nutrition and
How does the high concentration of urea in the cells of the inner medulla surrounding the nephron make it possible for the fluid in the tubule to become concentrated (loose water)?
Explain why is it important to use animals that are the same sex and approximately the same age in experiements?
How does the size of a solute affect the rate of diffusion? Consider the size and shape of a molecule in your response.
q. 1. modern theory suggests that an early pre-life atmosphere on earth was a reducing one. why for what reasons is it
Why are some bacteria resistant to the effects of penicillin? How would you genetically engineer a strain of anthrax to be resistant to penicillin?
Use the internet to find one plant from each environment: Hydric, Mesic and Xeric. Answer/provide the following: common name, scientific name, sketch the plant, list of adaptations.
Describe how the one splicing mechanism we descrived in class works. Also explain how alternative splicing works as well as its significance. Be specific.
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