In order to establish a membrane potential, the
cytoplasmic fluid is ____ compared to the
interstitial fluid
a. more positively charged
b. more negatively charged
c. hypertonic
d. hypotonic
e. none of these
B
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The cell type responsible for type II hypersensitivity is the
A. mast cell. B. B cell. C. macrophage. D. platelet. E. neutrophils.
In a typical atom, the positive charge of each proton is ________
a. expressed by the value of the atomic mass b. countered by the negative charge of each neutron c. neutralized only when the atom bonds to others to form a molecule d. balanced by the negative charge of an equal number of electrons
In bacterial and archaeal cells, the electron transport chain is located in the ________ whereas in eukaryotic cells, the electron transport chain is located in the ________.
A. plasma membrane; inner mitochondrial membrane B. plasma membrane; mitochondrial matrix C. inner mitochondrial membrane; outer mitochondrial membrane D. plasma membrane; outer mitochondrial membrane E. inner mitochondrial membrane; plasma membrane
If a restriction digestion is performed on two samples and most of the fragments produced do not match between samples, what can be said about these two samples?
A) These samples come from closely related organisms B) These samples do not come from closely related organisms