An excitatory postsynaptic potential ____.
A. is cancelled out by an inhibitory postsynaptic potential
B. has a hyperpolarizing effect
C. will drive the membrane away from its potential
D. is summed with an inhibitory postsynaptic potential at the input zone of a neuron
E. works so that only one impulse can be received at a time
Answer: D
You might also like to view...
A trait with high heritability will:
A. respond quickly to artificial selection. B. respond quickly to natural selection. C. respond quickly to changes in the environment. D. respond quickly to both artificial selection and natural selection. E. respond quickly to artificial selection, natural selection, and changes in the environment.
The discovery of sex-linked genes and production of the first chromosome map came from studies of
a. pea plants. b. corn. c. humans. d. fruit flies. e. mice.
In 1749, French naturalist became one of the first scientists to suggest that closely related species originated from a common ancestor and were continuously changing.
A. Charles Lyell B. James Hutton C. Georges Cuvier D. Charles Darwin E. Georges-Louis Buffon
The significance of one new and one parental strand in each new DNA molecule would be that:
1.New strands are more susceptible to mutation.
2.DNA polymerase will only work on a parental strand.
3.Having an original strand is needed to prevent errors during the replication process.
4.Strands can only pair with existing strands.