Which of the following is most directly responsible for driving ATP synthase and the production of ATP in cellular respiration?
A. The electron transport chain pumping H+ from the mitochondrial matrix into the intermembrane space.
B. The flow of electrons down the electron transport chain.
C. The loss in free energy that occurs as an electron moves down the transport chain.
D. The H+ electrochemical gradient across the inner mitochondria membrane.
E. The ability of oxygen to rapidly capture an electron and energize ATP synthase.
E. The ability of oxygen to rapidly capture an electron and energize ATP synthase.
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If you put some water in a bucket and left it in your backyard, the water level would rise and fall over time with the weather. The table represents data collected from a bucket that was initially filled to the halfway mark with water. The water depth was measured on the last day of the month for 2 years. Although the water never completely dried up, it also never overflowed during this time. Answer the following question(s) based on the data.MonthWater Level (cm)MonthWater Level (cm)130133822414393201537424164852617486291849735195582820459312147103422501138235512372451Which month was the wettest?
A. Month 19 B. Month 22 C. Month 16 D. Month 15
If a person undergoes antibiotic treatment that kills off most of her normal intestinal bacteria, she would be vulnerable to a deficiency of
a. fiber. b. cellulose-degrading enzymes. c. vitamin K and B vitamins. d. essential amino acids. e. water reabsorption.
The scientists who proposed the operon theory are
A) Monod and Jacob. B) Watson and Crick. C) Hardy and Weinberg. D) Darwin and Mendel. E) Hershey and Chase.
When Griffith injected a mixture of dead S bacteria and live, capsuleless R bacteria, the mice
A. remained healthy. B. reproduced quicker. C. became ill but lived. D. died of pneumonia.