If yeast cells are incubated under anaerobic conditions, the pyruvate they produce is converted to
lactate.
__________________ Indicate whether the statement is true or false.
F, ethyl alcohol
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The ultimate source of energy flowing into nearly all ecosystems is
A. wind. B. sunlight. C. electricity. D. radioactivity.
According to the induced fit hypothesis of enzyme catalysis, _____
A) the binding of the substrate depends on the shape of the active site B) some enzymes change their structure when activators bind to the enzyme C) a competitive inhibitor can outcompete the substrate for the active site D) the binding of the substrate changes the shape of the enzyme's active site E) the active site creates a microenvironment ideal for the reaction
Consider the following equations: Equation 1: ATP + H2O ADP + Pi G1 = -?7 kcal/mol Equation 2: phosphoenolpyruvate + H2O pyruvate + Pi G2 = -?14.8 kcal/mol Equation 3: glucose + Pi glucose-6-phosphate + H2O G3 = +3.3 kcal/mol
Equation 4: ADP + Pi ATP + H2O G3 = +7 kcal/mol Which of these equations is most likely to demonstrate energetic coupling in a cell? A. Equations 1 and 2 B. Equations 2 and 3 C. Equations 3 and 4 D. Equations 1 and 4 E. Equations 1 and 3
Which virion release process is most often used by enveloped viruses?
A. Facilitated diffusion B. Budding C. Diffusion through channel protein D. Lysis