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Question 1: Describe the process of fat hydrogenation, and discuss its advantages and disadvantages:
Fat hydrogenation is performed by food manufacturers and the purpose behind this is to change the properties of fats for the purpose of product formation. How is fat hydrogenated? Isn’t hydrogenation when all of the bonds on the fat between carbon are filled with hydrogen (no double bonds left). Explain this. Then, explain how or the process of making a fat go from unsaturated (with double bonds) to saturated (all hydrogens bonded.
Hydrogenation offers two advantages. First, it protects against oxidation (thereby prolonging shelf life) by making polyunsaturated fats more saturated. Second, it alters the texture of foods by making liquid vegetable oils more solid (as in margarine and shortening) Hydrogenated fats improve the texture of foods, making margarines spreadable and pie crusts flaky and pudding creamy.
Question 2: List strategies for lowering fat intake with minimal impact on diet palatability.
Describe why asexually reproducing organisms are generally found in environments that do not change very much through time, while sexually reproducing organisms are very successful in environments.
What term is used to describe the pattern of base pairing between one DNA strand and its partner in a duplex?
Describe the different theories that are thought to explain the biological basis of both the positive and negative symptoms of schizophrenia.
The compound ouabain is a specific inhibitor of the active transport of Na+ out of the cell. For each of the following precesses in your body, would you expect the process to be sensitive to inhibition by ouabain?
In pea plant flowers, purple (P) is completely dominant to white (p). If a plant that is true breeding for purple flowers is crossed with a plant with white flowers,
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q1. many species might reproduce either asexually or sexually. it is frequently when the environment changes in some
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The Fas ligand is a trimeric, extracellular protein that binds to its receptor, Fas. The binding of Fas ligand to its receptor alters the conformation of Fas so that it binds an adaptor protein and activates caspase-8.
How is it possible that the same minus end-directed motor can be involved in both anterograde and retrograde movements?
Consider this redox reaction that is involved in fermentation. Answer the following questions based on the forward direction of the reaction as shown below.
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