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Cellular respiration is a process that occurs in many organisms. The rate of cellular respiration can be measured using several different methods.
Addition of small amounts of oxaloacetate or malate to suspensions of minced pigeon-breast muscle stimulated the oxygen consumption of the preparation.
However, the addition of a trace of uniformly labeled [14C]acetyl-CoA in the presence of an excess of unlabeled malonyl-CoA to a soluble liver fraction yields palmitate labeled with 14C only in C-15
Contrary to the legend camels do not store water in their humps, which actually consist of a large fat deposit. How can these fat deposits serve as a source of water.
In order for the 4-nitrophenol to release the yellow colour expected, it has to be fully ionised. With a pKa of 7, I have decided that pH9 would allow it to be fully ionised - this is also supported
The standard reduction potential (Eo') for the reduction of fumarate is +0.03V. The Eo' for the reduction of FAD in a given protein that accepts the electrons from succinate is -0.40V.
Although animals do not have glyoxylate cycle its is still possible to find radioactively labelled carbon atoms from triacylglycerols incorporated into glucose.
Given the importance of fumarase to the citric acid cycle how is it possible for people with fumarase deficiency to produce adequate ATP for survival.
what are the equilibrium concentrations and concentration ratios.
The equilibrium constant for the denaturation of a protein is determined to be 0.13 at 59.8 degrees celsius. What is the standard state of delta G for the reaction, in kJ/mol to 0.01kJ/mol.
Given the following facts, (a) tell in which direction the reaction will tend to go if NAD^(+), NADH, pyruvate, and lactate were mixed, all at 1 M concentrations, in the presence of lactate dehydrog
A two electron transfer reaction you are studying has a standard state standard reduction potential (Eo') on 0.137V at 37C. What is the equilibrium constant for the reaction (Keq') at 37C.
Which fatty acid -palmitic, stearic, palmitoleic, or arachidonic, would have lowest m.p. and explain why. Which would be chiral? A)glyceryl tripalmitate,B) glyceryl 1-stearate, 2,3 dipalmitate,C) gl
Which of these statements apply to endocrine disruptors.
When digested DNA is analysed using agarose gel electrophoresis the total size of fragments sometimes does not add up to the size of the original DNA molecule.
What is the net charge of this peptide.
Calculation of amount of phenol red in micrograms present in 3ml of the solution, you will need to use the following data: the concentration of the unknown 5.0 micromoles, volume = 3ml, MW of phenol
Using a spectrophotometer set at 400 nm, an absorbance reading of 0.050 was obtained for a solution of p-nitrophenol at pH 6.5. The molar extinction coefficient of p-nitrophenol 21500 M-1cm-1 and th
Certain unscrupulous operators offer, for a fee, to freeze recently deceased individuals in liquid nitrogen until medical science can cure the disease from which they died. What is the biochemical f
What is the yield of ATP when each of the following substrates is completely oxidized to CO2 by a mammalian cell homogenate? Assume that glycolysis, the citric cycle and oxidative phosphorylation ar
Conduction of protons by the F0 unit of ATP synthase is blocked by modification of a single side chain by dicyclohexylcarboiimide (DCCD). What are the most likely targets of action of this reagent.
What are the arguments for and against the production of embryonic stem cells.
Why do potential space explorers need to be able to produce all of the food that they will need, regardless of whether life is found elsewhere.
If silicon-based life exists, would it be able to consume carbon-based life, digest it, and use the products as nutrients? Why or why not.
Describe the relationship between biological psychology and other fields in psychology and neuroscience.