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1. Define hunger, appetite, satiation, and satiety and describe how each influences food intake.
2. Describe each component of energy expenditure. What factors influence each? How can energy expenditure be estimated?
3. Distinguish between body weight and body composition.
4. How do fat cells develop?
5. What are problems associated with being overweight? Underweight?
6. What factors contribute to a person being overweight or obese?
7. Explain the roles of water in the body.
8. How is blood volume and blood pressure maintained?
Each of the statements below is a hypothesis about why individuals of a particular kind of moth pull their forewings forward when poked. For each statement, label it (a) if it is a proximate hypothesis and (b) if it is an ultimate hypothesis.
Determine what binds to macrophage receptor proteins and what macrophage signaling cascade(s) convey information received in this way to the nucleus?
If the D-value for a certain food product at 70 degrees centigrade is 3 minutes, how long would you need to expose the food to that temperature to conform to the standard practice used in the food industry?
Why did the "RNA World" hypothesis have to await the discovery of ribozymes in order to become a widely attractive scenario?
Deinococcus radiodurans is a bacterium that was isolated from cooling ponds in and around nuclear power plants. It is highly resistant to ionizing radiation. Propose an hypothesis to explain the high level of radiation resistance and an experiment..
Cells can change the composistion of their membranes to adapt to different environmental situations. What component of the membrane coud be changed to help an organism tolerate cold?
Assume that a given plasmid vector to be used in a cloning experiment contains 4000 base pairs of DNA. Assume also that the restriction endonuclease.
What series of nucleotide pairs in a Drosophila gene will encode the amino acid sequence met-trp-phe-trp-met (reading from the amino terminus to the carboxyl terminus).
Discuss genetic factors and genes are involved in making a human embryonic stem cell differentiate into a cardiomyocyte. Also what miRNA are involved in the regulation of this process of the proteins that do so.
Could you elaborate on the process of antimicrobial peptides interacting with the plasma membrane/bacterial cytoplasmic membrane.
In cells, an enzyme catalyzes the reaction AB --> A + B. However, it was discovered as an enzyme that carries out the reverse reaction A + B --> AB. Explain this paradox.
Describe how an allergic response occurs, including the sensitization stage, and the role of IgE antibodies in this process.
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