The DNA-binding domain of each creb protein subunit recognizes the sequence 5'-tgacgtca-e'. due to random cahnce, how often would you expect this sequence to occur in the human genome, which contains approxnimately 3 billion base pairs

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

answer; an inhibitory postsynaptic potential;