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In plant cells, carbon dioxide and also water are joined to form carbohydrates. Tree cells have the right to also break down carbohydrates such together glucose, publication carbon dioxide, water, and energy. Nobody has ever before observed such reactions between water and also carbon dioxide external of life cells. What allows straightforward molecules come assemble into more facility molecules, and additionally disassemble, in cells yet not in other, nonbiological environments?
In a theoretical civilization where every things are possible, how can you increase the quantity of energy that could be save in a molecule the ATP?
Table sugar, or sucrose, is fairly stable, and left ~ above its own at room or also human body temperature, break down occurs very slowly. The malfunction of sucrose right into the straightforward sugars fructose and glucose is one exergonic reaction. Sucrase, one enzyme, have the right to increase the reaction rate at the very least one-million-fold. Just how does the net amount of power released during the failure of sucrose compare between a spontaneous reaction and one catalyzed by sucrase?
The synthetic of one amino acid adheres to this pathway: precursor A → intermediary B → amino mountain C. Each reaction is catalytic analysis by a various enzyme. This metabolic pathway is managed by feedback inhibition with amino acid C inhibiting the counter of precursor A to intermediate B. Amino acid C acts together a _____ of the very first enzyme in the pathway.
Antibiotics - for example, penicillin - cannot be supplied to treat viral infections, such together the usual cold. Why?
Glucose molecules carry out energy to power the swimming motion of sperm. In this example, the sperm room changing
Fundamentals that Biochemistry: Life at the molecule Level5th EditionCharlotte W. Pratt, Donald Voet, Judith G. Voet
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