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Question: Justify the hypothesis of early microorganisms were chemolithotroph and why phototrophic organisms that came after had pigments that absorbed maximally at UV and IR radiation
Question: Although physiologically distinct, chemolithotrophs and chemoorganotrophs share a number of features with respect to the production of ATP. Discuss these common features along with reasons why the growth yield (grams of cells per mole of substrate) of a chemoorganotroph respiring glucose is so much higher than for a chemolithotroph respiring sulfur.
Four proteins, each having a single polypeptide, are separated by SDS-PAGE: human cytochrome c , human serum albumin, bovine myoglobin.
Mrs. Smith, 57, is complaining of chest pain for the last couple of months. Prior to the current pain she used to complain of tightness in her chest. She smokes twenty cigarettes a day.
The difference among the three categories of cytoskeletal elements would suggest that each of has specialized roles. Which is an accurate match.
Assume you have been breeding roaches in your dorm and are trying to increase the speed in your roach population. You examine speed by timing.
Discuss the purpose of the immune system is to recognize foreign bodies and respond with the production of immune cells and proteins.
In 2010, under its WaterSense program, EPA began promoting showerheads that produce still-lower flows of two gallon every minute.
Why was the discovery of microsphere and coacervates an important contribution to understanding of how life might have originated on earth .
Opportunistic pathogens can be a big problem after someone gets treated with antibiotics. Is an opportuistic infection of the gut.
What would happen if one were to inject both the R strain and heat-killed S strains into a host organism such as the mouse.
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 the pka for p-nitrophenol is 7.
When such a drug is added, what will occur to ATP synthesis and oxygen consumption, if rates of glycolysis and the citric acid cycle stay the similar.
Discussing the significance of the neurotransmitters within the neurotransmission. Describing a relationship between the dietary fat intake and related health concerns.
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