How much of the energy harvest during aerobic respiration is dispersed as metabolic heat?
a. 25%
b. 10%
c. 75%
d. 60%
e. 55%
d
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With which type of microscopy would one observe three-dimensional structure?
A. fluorescence microscopy B. standard light microscopy C. confocal microscopy D. differential-interference light microscopy E. transmission electron microscopy
The endoplasmic reticulum is an
What will be an ideal response?
Which of the following is NOT a characteristic of bacterial chromosomes?
A. they contain gene coding regions and regulatory regions B. they are around 10× smaller than eukaryotic chromosomes C. they are single-stranded D. they have 10-base-pair regions that control DNA folding E. they have only one origin of replication
Changes that have occurred in living organisms over the past four billion years are due primarily to
A. interaction of genetic and environmental changes. B. continental drift. C. extinction of species. D. floods and formation of glaciers. E. changes in atmospheric composition.