As electrons flow through complexes in the inner mitochondrial membrane, protons are moved from the matrix to the intermembrane space. This can make the pH
A) the same in the matrix and the inner membrane space.
B) lower in the matrix.
C) lower in both the matrix and the inner mitochondrial space.
D) lower in the inner membrane space.
D) lower in the inner membrane space.
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Which of the following represents the reversible reaction of ATP formation?
a. ATP + H2O ? ADP + Pi b. ADP + ATP ? free energy + Pi c. ADP + Pi + free energy ? ATP + H2O d. Free energy + H2O + Pi ? ATP
How was the navigation ability of young loggerhead sea turtles studied by Kenneth Lohmann?
a. He placed radio transmitters on the shells of numerous hatchlings and tracked their migration patterns in the Atlantic ocean. b. He genetically engineered turtles so they lacked magnetoreceptors and then studied their behavior compared to a control group. c. He subjected turtles to an electromagnetic field opposite that of Earth's magnetic field, and then tracked the direction the hatchlings swam. d. The loggerhead turtles were injected with magnetite to see what impact it had on their navigation. e. Small magnets were glued to the hatchlings' shells, and their behaviors were monitored.
Two species of closely related squirrels both
feed on acorns produced by oak trees. One species feed exclusively near the top of the tree and the other feeds exclusively towards the bottom of the tree. This is an example of
a. competitive exclusion. b. resource partitioning. c. mutualism. d. commensalism. e. mimicry.
The difference between results from the subset and
results from the whole is a. the variable. b. sampling error c. the prediction. d. the control. e/ the hypothesis.