What scientist(s) first demonstrated in the laboratory that organic compounds could be synthesized in an abiotic environment?
a) Rosalind Franklin
b) Haldane and Oparin
c) Urey and Miller
d) Watson and Crick
e) Anton Van Lueenhoech
Ans: c) Urey and Miller
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Which of the following is NOT a function of cellular membranes?
A. selective uptake and export of ions and molecules B. cell compartmentalization C. cell signaling D. maintenance of cell shape E. cell adhesion
In which stage of aerobic respiration is water produced?
A. The electron transport system B. Glycolysis C. The Krebs cycle
Which species is overexploited rather than invasive?
A. zebra mussels in the Great Lakes B. brown tree snakes in Guam C. bison in the North American plains D. marine toads in Florida E. gypsy moth caterpillars in North America
Among the mammals, only some primates (including most humans) have color vision. What was the likely advantage that probably drove the evolution of primate color vision?
A. the ability to identify grains most appropriate for domestication B. the ability to find ripe fruit C. the ability to identify plants with medicinal value D. the ability to prepare for winter as portended by autumn colors of leaves E. the ability to enjoy the aesthetic value of flowers