A more contemporary technique for identification of promoter sequences is the ________ assay
Fill in the blank with correct word.
Answer: chromatin immunoprecipitation
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Neural transmission across a mammalian synapse is accomplished by _____
A) the movement of sodium and potassium ions from the presynaptic neuron into the postsynaptic neuron B) impulses traveling as electrical currents across the synapse C) impulses causing the release of a chemical signal and its diffusion across the synapse D) impulses ricocheting back and forth across the synapse E) the movement of calcium ions from the presynaptic into the postsynaptic neuron
The Kd for a protein-ligand interaction is:
A. the rate at which the protein binds ligand. B. the square root of the equilibrium constant. C. the fraction of ligand-binding sites occupied at equilibrium. D. the ligand concentration at which half of the available ligand-binding sites are occupied. E. None of these choices is correct.
Epigenetic effects cause _____ behavior without altering _____
a. instinctive; oxytocin level b. instinctive; the genome c. conditioned; the genome d. heritable changes in; DNA sequence e. temporary changes in; RNA sequence
The cell membrane can be described most accurately as
A) permeable to all small molecules and ions. B) impermeable to larger molecules independent of their chemical characteristics. C) permeable to some molecules and impermeable to others. D) impermeable to all polar molecules. E) permeable to all molecules except water.