What happened in 1973 when Gibbs, Young and Smith injected CCK into hungry rats? What hypothesis did it lead to?
What will be an ideal response?
> they ate smaller meals
> lead to the hypothesis that circulating gut peptides provide the brain with information about the quantity and nature of the food in the GI tract and this info plays a role in satiety
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Which of the following genes is correctly matched with its function?
A. The Hox genes illustrate evolution of neural pathways. B. The BMP4 gene illustrates evolution of lungs for breathing air. C. The gremlin gene illustrates the evolution of the inner ear mechanism. D. The Pax6 gene illustrates the evolution of complex organs such as the eye. E. The gremlin gene along with the Pax6 gene code for development of the eye.
A type of fungi that has been long useful for baking, brewing, and wine making, and is now becoming very important in genetic research is _____.
Fill in the blank(s) with the appropriate word(s).
An organism is classified in the kingdom Plantae. Which of the following must be true about the organism?
a) it reproduces asexually b) it is prokaryotic c) it has cells walls made of chitin d) it is autotrophic
Approximately what percentage of the energy of glucose (C6H12O6) is transferred to storage in ATP as a result of the complete oxidation of glucose to CO2 and water in cellular respiration?
A) 2% B) 4% C) 10% D) 25% E) 40%