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Glucose is experimentally synthesized with C-14 at carbon 1, and used as a substrate for aerobic metabolism. Where is the label at the end of glycolysis? Draw the glycolysis product with the labeled carbon circled or highlighted. Now take that glycolysis product a little farther. Where is the label after entry into the Citric acid cycle? Show your work, being sure to highlight the labeled carbon at each step.
When O2 is added to an anaerobic suspension of cells consuming glucose at a high rate, the rate of glucose consumption declines greatly as the O2 is used up and accumulation of lactate ceases. This effect, first observed by Louis Pasteur in the 1860s, is characteristic of most cells capable of both aerobic and anaerobic glucose catabolism.a. Why does the accumulation of lactate cease after O2 is added?b. Why does the presence of O2 decrease the rate of glucose consumption?c. How does the onset of O2 consumption slow down the rate of glucose consumption? Explain in terms of specific enzymes.
Discuss the chemistry and function of iron in each of the following: myoglobin, cytochrome c, and the iron-sulfur proteins of mitochondrial electron transport complex.
Speculate on and/or research potential mechanisms which would afford the improved processing. Speculate on and/or research potential mechanisms.
At 4.00 rm L, an expandable vessel contains 0.864 rm mol of oxygen gas. How numerous liters of oxygen gas should be added at constant temperature and pressure if you require a total of 1.96 mol of oxygen gas in the vessel.
Describing how the brain transmits the message to muscles. Trace impulse, list the steps in as much detail as possible, from which your brain transmits the message to the suitable muscles in order to step up one step.
What are genotypes of the adult that were crossed. 0 percent of a population died from sunburn, of the 10 percent who died 10 individuals were albino and the rest were split evenly between heterozygous (Gg) and dominant individuals (GG). So my questi..
Explain at least one historical extinction with parallels to the extinction threats facing the bog turtle. When allosteric effector X binds to enzyme #1, enzyme stops working. However, the speed of reaction can be altered by adjusting the concentrati..
After contact with a patient's spinal fluid, a lab technician developed fever, nausea, and purple lesions on her neck and extremities. A throat culture grew gram-negative diplococci. What is the genus of bacteria.
A) What is the broad sense heritability of seed count in this population of bluebonnets? B) What might cause this estimate of heritability to be inaccurate?
What is the dissimilarity between exergonic and endergonic reactions? Give an instance of each. What is the significance of each type of reaction.
Explain the events that occur when epinephrine binds to a G-protein coupled receptor in the membrane of a cell. Begin with the binding of the epinephrine and end with the activation of adenylyl cyclase.
Suppose the diameter of the field of vision in your microscope is 2mm under low power. If one Bacillus cell is 2 micrometers how many Bacillus cells could fit end to end across the microscope? How various 10 micrometers yeast cells could fit across t..
Dynein is missing from cilia and flagella of the individual with a specific inherited disorder. These individuals have severe respiratory problems, and if males, are sterile. What is the structural relationship between these 2 symptoms.
Describe these results by explaining how and why the introns are eliminated and proved the genotypes of Mini, Mickey and Timmy, and their children.
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