In all Mendel's crosses, it did not matter which phenotype was used as the male or as the female
parent. Indicate whether the statement is true or false.
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A mutation in an enzyme prevents it from binding substrate. This description is referring to the enzyme's:
A. phenotypic function B. cellular function C. molecular function
During an action potential, sodium ions
A. rush out of the cell, switching the potential to +35 mV. B. rush into the cell, switching the potential to ?70 mV. C. rush into the cell, switching the potential to +35 mV. D. rush out of the cell, switching the potential to ?70 mV. E. rapidly move in and out of different parts of the neuron, oscillating potential between ?50 and +35 mV.
Each of the following structures is found within the nucleus of a eukaryotic cell except
A) transfer RNA. B) histones. C) plasmids. D) the nucleolus. E) All of these are found in the nucleus.
What is the advantage of using DNA sequences from many genes to reconstruct the evolutionary history of humans?
What will be an ideal response?