Examine Figure 25.10, which shows the parallel history of atmospheric CO2 levels and surface temperature over the last 400,000 years based on measurements of air bubbles trapped in glacial ice sheets in Antarctica
Select the correct item from each of the following
pairs.
Glacial expansion correlates with [increasing / decreasing] amounts of CO2 in the
atmosphere and temperatures [higher / lower] than those measured in 1950. As glaciers
advance, it is thought that the oceans circulate [more slowly / more vigorously], causing deep
ocean carbon reservoirs to [increase / decrease].
What will be an ideal response?
Glacial expansion correlates with [increasing / decreasing] amounts of CO2 in the
atmosphere and temperatures [higher /lower] than those measured in 1950. As glaciers
advance, it is thought that the oceans circulate [more slowly / more vigorously], causing
deep ocean carbon reservoirs to [increase / decrease].
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Molecular homology can be compared by analyzing the
A. sequences of amino acids of various proteins in different species. B. elemental makeup of different species. C. positions of genes on the chromosomes of different species. D. vestigial structures of different species. E. protein structure during development.
What is the pellicle?
Which statement is not true about the transport of ATP across the inner mitochondrial membrane on its way to the cytosol?
A) It is accomplished by adenine nucleotide translocase. B) The same enzyme that transports ATP also transport ADP in the opposite direction. C) It is complexed with Mg2+ to reduce the draw on the electrical part of the protonmotive force. D) The transport causes the loss of a net charge of -1 in the matrix.
Although glycolysis requires an input of ATP, this pathway results in a net gain of two ATP; therefore it is a(n) ________ pathway.
A. exergonic B. endergonic C. oxidative D. reductive E. neither exergonic nor endergonic