Irrigation can cause salt to accumulate in the soil, a process known as:
a. erosion.
b. decomposition.
c. mineralization.
d. salinization.
e. weathering
D
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A) cro B) repressor C) enhancer D) integrase E) operator
The atomic number of an element is ________
a. the sum of its photons and electrons b. the number of protons c. the sum of its protons, neutrons, and electrons d. the number of electrons
Three investigators–Nüsslein-Volhard, Wieschaus, and Lewis–won the Nobel Prize for physiology and medicine in 1995 for work they did in 1970 with Drosophila. Briefly describe their findings
What will be an ideal response?
Eukaryotic cells require oxygen to:
A) start glycolysis. B) perform fermentation. C) serve as an electron acceptor in the electron transport chain. D) breathe. E) enter the Krebs cycle as an intermediate.