Dopamine is a chemical released by neurons to send signals to other nerve cells. the brain includes several distinct dopamine pathways, one of which plays a major role in reward motivated behavior.
smoking is a habit, in a habit there is the cue, routine, and reward. with smoking the cue can be different things, most commonly stress or anxiety. the routine how you react to those cues, the reward is the chemical 'triggers' that are pulled inside you're brain leaving you feeling calm, happy, or relieved, etc.
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The answer is A I think...
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ther economic status influence how we perceive the place where we live and other parts of the world.
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Definition. The first metaphase of meisosis I encompasses the alignment of paired chromosomes along the center (metaphase plate) of a cell, ensuring that two complete copies of chromosomes are present in the resulting two daughter cells of meiosis I. Metaphase I follows prophase I and precedes anaphase I.
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To solve this, we can use a Punnett square.
R R
R RR RR
W RW RW
From this cross, there are two possible genotypes: RR and RW. The genotype RR results in a red flower, and the genotype RW results in a pink flower. Since the genotype WW is not possible with this cross, none of the offspring are expected to have white flowers.
