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Q. You want to study the biochemical properties of respiratory enzyme complexes required for oxidative phosphorylation. Your first goal is to measure proton pumping by the NADH dehydrogenase complex. You mix purified NADH dehydrogenase complex with phospholipids and a pH indicator dye that changes color at acidic pH, and you follow a protocol for making liposomes. After verifying that the protein complex was incorporated into liposomes, you put in NADH and incubate at 37°C. You are dismayed to view no color change in the pH indicator dye.
One lab partner says the result is not surprising, since you forgot to add a key component. What is this main component? Explain why it is significant.
draw the structure of an RNA hairpin with a 10-bp stem and a 5n-t loop. make up a sequence that will form such a structure. show the sequence in the linear as well as the hairpin form.
State how the amonio acids sequence you obtained from the gene fragment for botana curus compares with the sequence for other three species.
How do both meiosis and sexual reproduction (fertilization) produce offspring that differ genetically from the parents? Be sure to talk about the two specific steps in meiosis that increase variability as well as the process of fertilization.
How can a genetic street number be placed on the surface of viruses and be used for the optimization of proteins?
Paula has a sore throat. Her physician ordered a differential blood cell count and here are the leukocyte results per cubic millimeter: Total 15,000; mature neutrophils 13,000; 1,500 lymphocytes, 300 monocytes, 150 eosinophils, 50 basophils.
Considering the circumstances and the preliminary work-up, what type of anemia is most likely for Ann? Which clinical sign shows her body is attempting to compensate for anemia?
We now understand that mutations that cause the inhibition of apoptosis are found in tumors. Because proliferation itself is not induced by the inhibition of apoptosis, explain how this inhibition might contribute to tumor formation.
Define and contrast specific and non-specific immune responses. Explain what the main differences are.
In detail compare and contrast photosynthesis and cellular respiration. You should include the types of reactions that occur, the chemical equations of the two processes, and when comparing the two processes you should indicate where the similarit..
List and explain at least three cellular features of bacteria that might be targeted to inhibit or kill a bacterial pathogen.
Both chemical and physiological buffering systems exist in the body. What are the two organ systems involved in physiological buffering.
What is involved with producing Energy (such as ATP) for muscle contraction. An organelle in the muscle cell that helps distributes the signal to contract by the interior of the cell.
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