All drugs are utilized on sick animals
a. true
b. false
.B
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Water contains two hydrogen atoms bound to one oxygen atom; "H2O" is therefore water's
A. molecular formula.?B. ionic compound.?C. isotope ratio.?D. stochastic isomer.
Due to exposure to a chemical, a compound other than the correct structure #3 has been inserted into the DNA strand during replication. This could result in
A) blocking mitotic division of the cells. B) changing the protein coded for by the DNA segment. C) inhibiting the cells from performing cell respiration. D) preventing the cell from making ATP. E) making the enzyme DNA polymerase.
Cy Dill noticed that when he traveled from his home at 1,100 ft. elevation, to hike in the forest at 8,000 ft. elevation, his respiratory rate was elevated even while he was resting. This is because
A. the partial pressure of carbon dioxide is greater at higher elevations. B. the partial pressure of oxygen is lower at higher elevations. C. the air is "thinner" at higher elevations. D. his proprioceptors were stimulating his respiratory center. E. there would be a decrease in blood pH at that altitude.
If a neuron is prevented from sending a neurotransmitter across a synapse to another cell, which neuron property is being inhibited?
A. Excitability B. Secretion C. Conductivity D. Permeability