Biochemistry Answers

Elucidate two physical properties that will enable you to isolate TOL plasmid from the chromosomal DNA of the bacteria

chlorophyll content in spinach

Describe the newest method of classification including domains and kingdoms and explain the reason for change

Demonstrate how you could isolate and culture Pseudomonas putida from soil sample contaminated with hydrocarbons

What happens to Glycerol released from triacylglycerols after lipase action? How does β-Oxidation of Fatty Acids to provide energy?

A fat has an iodine value of 250, what can you conclude about the nature of the fat? Can this fat be provided to a patient having cardiovascular disease?

what is operating temperature of clean bench in laboratory?

one colony represents how many cells?

the colonies of bacteria cell can be observed by?

After a person eat a meal rich carbohydrates,the digested sugars diffuse into the bloodstream and increase the level of sugar in blood.The pancreas release insulin in response to the increased blood sugar level.Insulin signals body cells and the liver to take up sugar from the blood, causing blood sugar level to decrease.When the blood sugar levels return to normal, the pancreas stop releasing insulin.Is this a positive or negative feedback mechanism

Are the reactions pyruvate to ethanol and pyruvate to lactate both reversible. If not, why not?

1. Consider a liver cell carrying out the oxidation of glucose under aerobic conditions. Suppose that we added a very potent and specific inhibitor of the mitochondrial ATP synthase, completely inhibiting this enzyme. Indicate whether each of the following statements about the effect of this inhibitor is true or false; explain in a sentence or two why. [10 pts]


____ (A) ATP production in the cell will quickly drop to zero.






____ (B) The rate of glucose consumption by this cell will decrease sharply.






____ (C) The rate of oxygen consumption will increase.






____ (D) The citric acid cycle will speed up to compensate.