Humans are obligate aerobic heterotrophs. Please explain the definition clearly

Question

Humans are obligate aerobic heterotrophs. Please explain the definition clearly What is catabolism? How about anabolism? Which of these is true about metabolic pathways? Put True or False and explain A. Metabolic pathways do not occur in specific location in the cells B. They need enzymes C. In both catabolism and anabolism. ATP is generated If a reaction has a positive AG, does this mean that the reaction can never occur in the cells? Please explain. For the reaction below (use the formula given in class). Parts A and B are very straightforward calculation, do not overthink them. Use your answers to pans A and B and apply them to part C. A rightarrow B The standard free energy change (Delta G degree) is +7500 J/mol. A) Calculate the equilibrium concentrations ratio ([product/[reactant))at 37 degree C. B) When A is 0.5 mM and B is 0.1 mM. what is the concentration ratio ([product]/[reactant])? Calculate AG using this concentration ratio at 37 degree C. Is this more or less exergonic than the Delta G degree? C) Which then, would cause the Delta G to decrease (become more negative), increasing the product concentration, or increasing the reactant concentration? Please explain Which is true about reversible reactions? Pick one answer A. It has a large free energy change B. It is the reason why anabolic and catabolic pathways are not identical C. It has a free energy change of almost zero Put True or False next to each statement about ATP and please explain briefly A. It is the highest energy compound in the cells. B. The tree energy of hydrolysis can be used to drive other reactions. C. It is synthesized from ADP and Pi in an exergonic reaction. D. It is kinetically unstable as the free energy change of hydrolysis is highly exergonic. Explain why the phosphoanhydride bond is 'high-energy'. Explain the different ways ATP can react to generate free energy.

Explanation / Answer

1.Obligate aerobes are the organisms that requires oxygen to grow.

The oxygen is required for cellular respiration to metabolize different substances like sugars, fats proteins etc to release energy.

Organisms can be classified into two types on the basis of their nutrition

the first ones are autotrophs which can prepare their own food such as plants, the other ones are heterotrophs ,they cannot repair their own food and depend on other sources for their food and nutrition,such as human beings.

So human beings are obligate aerobic heterotrophs.

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